DEEMUANGKHONGG, P. The Development of English Speaking Ability Using Inquiry-Based Learning of Matthayomsuksa 1 Students at Prachaksilapakarn School. วารสารวิชาการมหาวิทยาลัยราชภัฏอุดรธานี, ๊Udonthani, Thailand, v. 8, n. 1, p. 180, 2020. Disponível em: https://so06.tci-thaijo.org/index.php/UDRUAJ/article/view/240721. Acesso em: 8 ต.ค. 2026.