KHAMMESOUK, K., SIPHANTHONG, B., SENGDARA, C., & SIOUDOMPHAN, S. (2023). The Impact of the Nam Et - Phou Louey National Park Conservation Project on the Economic Condition of the People in Hiem District, Houaphan Province. Souphanouvong University Journal Multidisciplinary Research and Development, 9(2), 234–245. Retrieved from http://www.su-journal.com/index.php/su/article/view/397