Cao Xuan Sang, and Bui Van Ha. “ CONCEPTS OF SPIRITUAL LIFE AND SPIRITUAL LIFE OF VIETNAMESE SOCIETY NOWADAYS VIA PHILOSOPHICAL VIEWPOINTS”. UTEHY Journal of Applied Science and Technology 12 (January 12, 2017): 126-131. Accessed October 13, 2024. http://tapchi.utehy.edu.vn/index.php/jst/article/view/244.