A WMOPP-GM MODEL FOR ESTIMATING THE COST OF GREEN BUILDING PROJECT IN THE SOUTH-EAST NIGERIA. - Echeme, Ibeawuchi I.; Amuji, Harrison O.; Nwankwo, Stephen I.; Nwachi, Christy C.; Anya, Collins U.; Okwara, Ihuoma D.; Okeoma, Immaculata O.; Elias, Andy U.; Iwuji, Joy C.; Ohaeri, Evangelina O.; Amaechi, Louisa N.; Nwachi, Josephine C. (Advances & Applications in Discrete Mathematics, 2026)