Ishak, Z. A., M. N. Bistamam, and M. N. Saper. “Tahap Salah Laku Disiplin Pelajar Sekolah-Sekolah Negeri Kedah: Level of Disciplinary Misbehaviour Among Students in Kedah”. EDUCATUM Journal of Social Sciences, vol. 3, no. 1, Oct. 2017, pp. 41-50, doi:10.37134/ejoss.vol3.1.5.2017.