Jittchoom, K., S. Pochanachang, and E. Niyomsilp. “Human Capital Development in The International Logistics Business through Knowledge, Skills and Attitudes in Thailand”. Journal of Humanities and Social Sciences, Rajapruk University, vol. 7, no. 2, Aug. 2021, pp. 366-80, https://so03.tci-thaijo.org/index.php/rpu/article/view/254800.