Nag, Chandrani Nag, Shamsun Naher Begum, and M. Rashed Talukder Talukder. 2016. “A Note on Normal and Comaximal Lattices”. Science & Technology Asia 21 (1):1-5. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/52104.