Trang, Ngo. “Indigenous Knowledge of Vietnamese Cultivation in the Mekong Delta”. Science & Technology Development Journal - Social Sciences & Humanities 4, no. 4 (October 17, 2020): 613-621. Accessed November 27, 2020. http://stdjssh.scienceandtechnology.com.vn/index.php/stdjssh/article/view/579.