คำเล็ก ม. Motivation in Studying at Provincial Police Training Center, Region 8. Law and Local Society Journal, Surat Thani, Thailand, v. 4, n. 1, p. 77–92, 2020. Disponível em: https://so04.tci-thaijo.org/index.php/llsj/article/view/238825. Acesso em: 1 oct. 2026.