Kirin, Arwansyah, et al. “- Impak Pengajaran Dan Pembelajaran Secara Online: Kajian Kes Terhadap Pelajar Sekolah Rendah, Menengah Dan Universiti Semasa Pandemik Covid-19: -”. Advances in Humanities and Contemporary Studies, vol. 2, no. 1, June 2021, pp. 127-36, https://publisher.uthm.edu.my/periodicals/index.php/ahcs/article/view/1961.