DANIELE. E., ALECHENU B., ADAMUM. U. and YAKUBUG. (2021) “TRANSPORTATION OPTIMIZATION MODEL USING THE DISTANCE MATRIX: A CASE OF CEMENT DISTRIBUTION FROM SELECTED COMPANIES TO DISTRIBUTION CENTERS IN EBONYI STATE”, FUDMA JOURNAL OF SCIENCES, 5(2), pp. 85 - 88. doi: 10.33003/fjs-2021-0502-454.