Kaliyaperumal, P. and K., K. 2023. A neutrosophic approach to the transportation problem using single-valued trapezoidal neutrosophic numbers. Proyecciones (Antofagasta, On line). 42, 2 (Mar. 2023), 533-547. DOI:https://doi.org/10.22199/issn.0717-6279-5374.