ArowoloMatthew O., AdekunleAdefemi A., and FadijiA. Ezekiel. “PERT MATHEMATICAL MODEL DEVELOPMENT FOR THE SUPPLY OF DOMESTIC WELL-WATER TREATMENT PLANT”. FUDMA JOURNAL OF SCIENCES 4, no. 2 (July 8, 2020): 552 - 566. Accessed March 29, 2024. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/238.