, Department of Mathematics, Universitas Gadjah Mada, Indonesia
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Journal of the Indonesian Mathematical Society Volume 18 Number 2 (October 2012) - Articles
ON FREE PRODUCT OF N-COGROUPS
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Journal of the Indonesian Mathematical Society VOLUME 28 NUMBER 2 (JULY 2022) - Articles
The Necessary and Sufficient Condition of Clean R-Coalgebra e⇀C↼e
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