S. Vidhyalakshmi, J.Shanthi, T. Mahalakshmi, M.A. Gopalan. A Classification of Rectangles in Connection with Two Fascinating Number Patterns. IJAST [Internet]. 2020Apr.26 [cited 2024May6];29(8s):1231 -1235. Available from: http://sersc.org/journals/index.php/IJAST/article/view/11897