Character Education for 21st Century Global Citizens: Proceedings of the 2nd International Conference on Teacher Education and Professional Development (INCOTEPD 2017), October 21-22, 2017, Yogyakarta, Indonesia

English Linguistics, Literature, and Language Teaching in a Changing Era: Proceedings of the 1st International Conference on English Linguistics, Literature, and Language Teaching (ICE3LT 2018), September 27-28, 2018, Yogyakarta, Indonesia

21st Century Innovation in Music Education: Proceedings of the 1st International Conference of the Music Education Community (INTERCOME 2018), October 25-26, 2018, Yogyakarta, Indonesia