R. Ismail, S. A. Abdul Rahman, and M. Awang, “Kos Ketidakberadaan Guru Dalam Bilik Darjah: Kajian Kes di Daerah Muallim, Perak: Cost of teachers’ absenteeism in the classroom: A case study in Muallim District, Perak”, MRJ, vol. 7, pp. 75–85, Dec. 2018, doi: 10.37134/mrj.vol7.7.2018.