Development of MOOC Service Framework for Life Long Learning: A Case Study of Thai MOOC. - Sila Chunwijitra; Phondanai Khanti; Supphachoke Suntiwichaya; Kamthorn Krairaksa; Pornchai Tummarattananont; Marut Buranarach; Chai Wutiwiwatchai (IEICE Trans. Inf. Syst., 2020)