Ellappan, M.R., Mahat, H. and Nayan, N. 2018. Pelaksanaan Pendidikan Pembangunan Lestari dalam Konteks Sikap Pentadbir di Institut Pendidikan Guru Malaysia: Implementation of Sustainable Development Education in Attitude Context among Administrators of Malaysian Teacher Education Institute (IPGM). GEOGRAFI. 6, 1 (Apr. 2018), 50–60.