Yamashita, Ph.D, S. 2003. ການພັດທະນາຊັບພະຍາກອນມະນຸດໂດຍຜ່ານການລົງທຶນໂດຍກົງ: Human Resource development through foregige direct investment. Journal of Lao Economics and Business Management. 1, 1 (Jun. 2003), 1–6.