“An Intensive Rice Production System Using Hired Mobile Khmer Ethnicity Laborers from Soc Trang, Vietnam”, GJHSS, vol. 12, no. A13, pp. 1–5, Oct. 2012, Accessed: Sep. 30, 2026. [Online]. Available: https://www.socialscienceresearch.org/index.php/GJHSS/article/view/381