Thambu, Nadarajan. 2019. “Inculcate Environmental Values through Drama Techniques in Moral Education Class: An Action Research [Penerapan Nilai Alam Sekitar Melalui Teknik Drama Di Dalam Kelas Pendidikan Moral: Satu Kajian Tindakan]”. Muallim Journal of Social Sciences and Humanities 3 (2): 188-206. https://doi.org/10.33306/mjssh14.