NAYEEMUDDIN AHMED, DR. ATOWAR-UL ISLAM, DR. KANAK CHANDRA BORA. 2020. “Investigation of Optimal Locations of Waste Containers for Collecting Waste from Apartment With the Help of Special Cluster Graph ”. PalArch’s Journal of Archaeology of Egypt / Egyptology 17 (9):5575 -87. https://www.archives.palarch.nl/index.php/jae/article/view/5043.