คนึงเพียร อ. teacher characteristic in the 21 Factor Analysis of Teacher Characteristic in the 21st Century. Community and Social Development Journal, Chiang Mai, Thailand, v. 20, n. 2, p. 83–94, 2019. DOI: 10.14456/rcmrj.2019.205538. Disponível em: https://so05.tci-thaijo.org/index.php/cmruresearch/article/view/205538. Acesso em: 6 dec. 2025.