Rahman, MD Zaidur, Md Abdul Kalam Azad, and Md Nazmul Hasan. “Sectionally Pseudocomplemented Residual Lattice”. Daffodil International University Journal of Science and Technology 6, no. 2 (December 23, 2011): 53–54. Accessed May 19, 2024. https://www.banglajol.info/index.php/DIUJST/article/view/9345.