Do, Giap, Hien Huynh, The Tran, and Tuan Tran. “USING NATURAL LIGHT ON MICROPROPAGATION OF SWEET POTATO ( Ipomoea Batatas L. ) IN AREA OF HO CHI MINH CITY”. VNUHCM Journal of Science and Technology Development 15, no. 3 (September 30, 2012): 36-46. Accessed May 9, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1845.