K.P.O.Niluminda and E.M.U.S.B.Ekanayake 2023. The Multi-Objective Transportation Problem Solve with Geometric Mean and Penalty Methods. Indonesian Journal of Innovation and Applied Sciences (IJIAS). 3, 1 (Feb. 2023), 74-85. DOI:https://doi.org/10.47540/ijias.v3i1.729.