ปิติกรพวงเพชร ช. Exploring English Learning Problems and Learning Strategies of Thai EFL Students: A Case Study of Undergraduates at a Public University in Thailand. วารสารอักษราพิบูล, Phitsanulok, Thailand, v. 7, n. 1, p. 149–181, 2026. Disponível em: https://so02.tci-thaijo.org/index.php/APBJ/article/view/283681. Acesso em: 1 ต.ค. 2026.