Hamza, Samaila, Aede Hatib Musta’amal @ Jamal, and Yusri Bin Kamin. “Integration Factors of Green Skills into Building Construction Trade Programme in Nigeria”. Journal of Technical Education and Training 12, no. 1 (January 2, 2020). Accessed February 2, 2023. https://publisher.uthm.edu.my/ojs/index.php/JTET/article/view/2573.