Kausar, N., M. Munir, M. Gulzar, G. M. Addis, and R. Anjum. “Anti Fuzzy Bi-Ideals on Ordered AG-Groupoids”. Journal of the Indonesian Mathematical Society, vol. 26, no. 3, Nov. 2020, pp. 299-18, doi:10.22342/jims.26.3.862.299-318.