Editor in Chief

Indah Emilia Wijayanti, Universitas Gadjah Mada, Yogyakarta, Indonesia

Executive Editor

Fajar Adi Kusumo, Universitas Gadjah Mada, Indonesia

Managing Editor

Hazrul Iswadi, Universitas Surabaya, Surabaya, Indonesia

Associate Editors

Edy Tri Baskoro, Institut Teknologi Bandung, Bandung, Indonesia

Hendra Gunawan, Institut Teknologi Bandung, Indonesia

Bijan Davvaz, Yazd University Iran, Iran, Islamic Republic of

Editorial Board Members

Henk W Broer, Groningen University, Groningen, Netherlands

Herry Pribawanto Suryawan, Universitas Sanata Dharma, Yogyakarta, Indonesia

Suhadi Wido Saputro, Institut Teknologi Bandung, Bandung, Indonesia

Soleha Soleha, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia

Rohmatul Fajriyah, Universitas Islam Indonesia, Yogyakarta, Indonesia

Mulia Astuti, Universitas Bengkulu, Bengkulu, Indonesia

Eridani Eridani, Universitas Airlangga, Surabaya, Indonesia

Pudji Astuti, Institut Teknologi Bandung, Bandung, Indonesia

Sutawanir Darwis, Institut Teknologi Bandung, Bandung, Indonesia

Dongsheng Zhao, Nanyang Technology University, Singapore City, Singapore

Neville D. Fowkes, University of Western Australia, Perth, Australia

Yudi Soeharyadi, Institut Teknologi Bandung, Bandung, Indonesia

Subanar Subanar, Universitas Gadjah Mada, Yogyakarta, Indonesia

Edy Soewono, Institut Teknologi Bandung, Bandung, Indonesia

Hari M. Srivastava, University of Victoria, Victoria, Canada

Kiki Ariyanti Sugeng, Universitas Indonesia, Depok, Indonesia

Agus Suryanto, Universitas Brawijaya, Malang, Indonesia

Eiichi Nakai, Ibaraki University, Mito, Japan

Thomas H. Götz, Universitat Koblenz-Landau, Koblenz am Rhein, Germany

Kartlos J Kachiashvili, Georgian Technical University, Tbilisi, Georgia

Cristina Dalfó, University of Lleida, Spain

Gopalan M Nair, University of Western Australia, Perth, Australia

Leo Hari Wiryanto, Institut Teknologi Bandung, Bandung, Indonesia

Web and Layout Editor

Irwansyah Irwansyah, Universitas Mataram, Mataram, Indonesia

Puguh Wahyu Prasetyo, Universitas Ahmad Dahlan, Yogyakarta, Indonesia

Fitriani Fitriani, Universitas Lampung, Bandar Lampung, Indonesia

Kristiana Wijaya, Universitas Jember, Jember, Indonesia

Ari Dwi Hartanto, Universitas Gadjah Mada, Yogyakarta, Indonesia

Rully Charitas Indra Prahmana, Universitas Ahmad Dahlan, Yogyakarta, Indonesia

Peer-Reviewers

Prof. Lining Jiang, School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China.

Prof. Laurian Ioan Piscoran, North University Center of Baia Mare, Technical University of Cluj Napoca, Department of Mathematics and Computer Science, Victoriei 76, 430122 Baia Mare, Romania

Prof. Anas Al-Masarwah, School of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor DE, Malaysia

Prof. M. Kaviyarasu, Department of Mathematics, VIT University, Vellore, 632014, India

Prof. Dr. Sudi Mungkasi, Department of Mathematics, Faculty of Science and Technology, Sanata Dharma University, Indonesia

Dr. Ganesh Ghorai, Vidyasagar University

Prof. Marek Hyčko, Mathematical Institute, Slovak Academy of Sciences, Å tefánikova 49, SK-814 73 Bratislava, Slovakia

Prof. MUHAMMAD GULISTAN, Department of Mathematics, Hazara University, Mansehra, KP, Pakistan

Dr. Ayesha Asloob Qureshi, Turkey

Prof. Dr. Xiaomin Li, School of Mathematical Science, Ocean University of China, 238 Songling Road, Qingdao, China, China

Dr. Hojjat Afshari, Faculty of Basic Science, University of Bonab, Bonab, Iran, Iran, Islamic Republic of

Prof. S Kumar, Department of Mathematics and Astronomy, University of Lucknow, Lucknow, India

Dr. Serkan Araci, Hasan Kalyoncu University, Faculty of Economics, Socialand Administrative Sciences, Faculty Member, Turkey

Prof. Milan Tvrdy, CAS Prague, Institute of Mathematics, Czech Rep, Czechia

Prof. M. J. Nikmehr, Department of Mathematics, Faculty of Science, K.N.Toosi University of Tech., P.O.Box 16315-1618, Tehran, Iran

Dr Intan Muchtadi-Alamsyah, Institut Teknologi Bandung

Kiki Ariyanti Sugeng, Universitas Indonesia, Depok, Indonesia

Prof. Antonio W. Cunha, Departamento de Matemática, Universidade Federal do Piauí­, 64049-550 Teresina, Piaui, Brazil

Prof. Ovidiu Popescu, Department of Mathematics and Computer Science, Transilvania University of Brasov, Romania

Prof. S. B. Hou, Department of Applied Mathematics, College of Science, China Agricultural University, Beijing, China;

Prof. S.S. Shinde, Department of Mathematics, KLE Technological University, Hubli – 580031, India

Prof. Manuel Manuel De la Sen, Development of Processes IIDP, Faculty of Science and Technology, University of the Basque Country, Campus of Leioa, Barrio Sarriena, Leioa, Bizkaia 48940, Spain, Spain

Dr. Akbar Rezaei, Department of Mathematics, Payame Noor University, Tehran, Iran, Iran, Islamic Republic of

Prof. Mehdi Alaeiyan, Iran university of Science and Technology

Prof. FRANCISCO GALLEGO LUPIANEZ, Dept. Geometry and Topology Faculty of Mathematics University Complutense of Madrid 28040 Madrid SPAIN, Spain

Dr. Samir Shrestha, Department of Mathematics, Kathmandu University, Nepal, Nepal

Dr. Corina Karim, Department of Mathematics, Brawijaya University, Indonesia

Prof. Oliver Kolossoski, Universidade Federal do Parana, Curitiba, Brazil

Prof. Amir Loghman, University of payamenoor

Prof. B. E. Acet, Adiyaman University, Art and Science Faculty, Department of Mathematics, Adiyaman, Turkey

Dr. Nurdin Hinding, Department of Mathematics, Faculty of Mathematics and Natural Sciences, Hasanuddin University, Indonesia

Prof. Alain Lasjaunias, Institut de Mathématiques de Bordeaux, CNRS-UMR 5251, Talence 33405, France

WonTae Hwang, School of Mathematics, Korea Institute for Advanced Study, Hoegiro 85, Seoul, South Korea

Isnaini Rosyida, Universitas Negeri Semarang, Indonesia

Dr. í–zen í–ZER, Kırklareli University, Turkey

Prof. Chunping Zhong, School of Mathematical Sciences Xiamen University Xiamen 361005 P.R. China

Prof. Kostaq Hila, University of Gjirokastra Faculty of Natural Sciences Department of Mathematics & Computer Sciences Gjirokastra-ALBANIA

Prof. Vishnu Narayan Mishra, Indira Gandhi National Tribal University, Lalpur, Amarkantak, Anuppur, Madhya Pradesh 484 887, India, India

Assoc. Prof. Hazem Ismail El Shekh Ahmed, Al Quds Open University, Palestine, State of

Prof. T. M. Al-Shami, Department of Mathematics, Sana'a University, P.O.Box 1247, Sana'a, Yemen, Yemen

Prof. Mark Brittenham, Department of Mathematics, University of Nebraska, Lincoln, NE 68588-0130, USA