Chanprakhong, C. ., K. . Chunhasriwong, and O. . Chuacharoen. “LIFELONG LEARNING FACTORS OF THE UNDERGRADUATE AT RAMKHAMHAENG UNIVERSITY”. Journal of MCU Nakhondhat, vol. 8, no. 11, Nov. 2021, pp. 244-58, https://so03.tci-thaijo.org/index.php/JMND/article/view/256952.