Odo, Moses Ikebe. “Managerial Techniques Required of Principals of Technical and Vocational Colleges for Quality Assurance and Skill Acquisition”. Jurnal Pendidikan Teknologi Kejuruan 6, no. 1 (February 28, 2023): 9-17. Accessed July 3, 2024. http://jptk.ppj.unp.ac.id/index.php/jptk/article/view/285.