AZUKWU, SHEDRACK AMAECHI, and PROF. P. C. OKWELLE. “Examination Of Effective Material Management In Building Works For Environmental Development For National Economy”. JBAS publishers 1, no. 2 (October 22, 2022). Accessed April 4, 2025. https://jbasjournals.com/index.php/rsujbas/article/view/17.