Lau, Yingshan, and Siphanh Daovongdeuan. “The Impact of the 2019 El Nino on Soil Moisture in Nong Khuay Village, Xieng Nguen District, Luangprabang Province: Effects of Ground Cover”. Souphanouvong University Journal Multidisciplinary Research and Development 7, no. 2 (December 2, 2021): 229–238. Accessed January 17, 2026. http://www.su-journal.com/index.php/su/article/view/138.