Cheosuwan, T., and T. Udomsripaiboon. “Comparison of Logistics Time of R3A and R3B for Transportation of Lychee Product”. International Journal of Geoinformatics 17, no. 6 (December 8, 2021): 15–25. Accessed September 13, 2024. https://journals.sfu.ca/ijg/index.php/journal/article/view/2059.