VANNAPHA, P.; PHAYYAVONG, S.; THIPHAPHONE, K.; PHANTHONG, B. The Impact of Teaching Aids on Learning and Development of Preschool Children in Luangprabang District. Souphanouvong University Journal Multidisciplinary Research and Development , [S. l.], v. 11, n. Special Issue, p. 146–153, 2026. DOI: 10.69692/SUJMRD11Special146. Disponível em: http://www.su-journal.com/index.php/su/article/view/1356. Acesso em: 4 mar. 2026.