กาญจนาโภคิน ก. Proficiency Development Project of Personal Responsible for Training and Testing the Driving License Applicants for the Fiscal Year 2555. Journal of Humanities and Social Sciences, Rajapruk University, [S. l.], v. 1, n. 3, p. 36–47, 2016. Disponível em: https://so03.tci-thaijo.org/index.php/rpu/article/view/112367. Acesso em: 3 may. 2024.