Mohd Yusof, M.H. et al. 2020. Issue and Challenge for Vocational Teaching Quality in the Vocational College Lecturers: A Systematic Review/ Isu dan Cabaran Kualiti Penyampaian Pengajaran Bidang Vokasional dalam Kalangan Pensyarah Kolej Vokasional: Satu Ulasan Sistematik. Sains Humanika. 12, 2-2 (Aug. 2020). DOI:https://doi.org/10.11113/sh.v12n2-2.1779.