External Determinants of Learning Motivation among Vietnamese Pedagogical Students: Evidence from PLS-SEM. Online Learning In Educational Research (OLER), [S. l.], v. 6, n. 1, p. 167–183, 2026. DOI: 10.58524/oler.v6i1.1106. Disponível em: https://www.journal.foundae.com/index.php/oler/article/view/1106. Acesso em: 23 apr. 2026.