An Interoperability Framework of Open Educational Resources and Massive Open Online Courses for Sustainable e-Learning Platform. - Sila Chunwijitra; Chanchai Junlouchai; Sitdhibong Laokok; Pornchai Tummarattananont; Kamthorn Krairaksa; Chai Wutiwiwatchai (IEICE Trans. Inf. Syst., 2016)