Awang, Marinah, et al. “Hubungan Persekitaran Fizikal Bilik Darjah Dan Kesejahteraan Dan Keselesaan Pembelajaran Dan Pengajaran: Relationship Between Classroom Physical Environment and Teaching and Learning Comfortness and Well-Being”. Management Research Journal, vol. 7, Dec. 2018, pp. 86-99, https://doi.org/10.37134/mrj.vol7.8.2018.