B.R. Bijila, and P. Ramesh Kumar. “On Atom-Based Digraph of a Rectangular Skew Lattice”.
Malaya Journal of Matematik
8, no. 03 (July 1, 2020): 1022–1025. Accessed April 12, 2025. https://www.malayajournal.org/index.php/mjm/article/view/1551.