Mohd Yusof, Muhamad Hafidz, et al. “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, vol. 12, no. 2-2, Aug. 2020, doi:10.11113/sh.v12n2-2.1779.