Ch.Uma Swetha, N.Ravi Shankar,B.Pardha Saradhi. “FUZZY TRANPORTATION MODEL USING L-R FLAT TRAPEZOIDAL APPROXIMATIONS”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 13, July 2021, pp. 6516-2, doi:10.17762/turcomat.v12i13.10008.