Kenneth Miebaka Oba. Optimization of Shipping Cost of Granite Chippings for Selected Construction Projects of Julius Berger. int. j. eng. mgmt. res. [Internet]. 2023 Apr. 21 [cited 2024 Apr. 25];13(2):115-20. Available from: https://ijemr.vandanapublications.com/index.php/ijemr/article/view/1162