Chanjarean, Itsared, Walaiporn Siripirom, and Pruet Siribanpitak. 2020. “Human Capital Management in Private Vocational Colleges Based on the Concept of Vocational Student Characteristics in the ASEAN Community”. Journal of Education Studies 48 (4). Bangkok, Thailand:388-401. https://so02.tci-thaijo.org/index.php/EDUCU/article/view/246459.