Asadujjaman, Md, Sharmin Alam, Umme Ruman, and Shamima Islam. “Study of Von Neumann Abelian Regular Rings”. GUB Journal of Science and Engineering 7 (July 7, 2021): 14–20. Accessed December 22, 2024. https://banglajol.info/index.php/GUBJSE/article/view/54013.