Chittavaro, PhraVonexay, PhrakhruPhawana phothikhun, and Suwin Thongpan. “Socialist Philosophy Of Kaysonphomviharn During The Period 1975-1990”. Journal of Graduate MCU KhonKaen Campus 6, no. 4 (December 26, 2019): 904–919. Accessed May 18, 2024. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/240479.