KEOMOUNGKHOUN, D. Development of Cooperative Learning (STAD) to Enhance Learning Achievement on Integer Calculations for Grade 7 Students at the Demonstration Secondary School of Savannakhet Teacher Training Collegeions for Grade 7 Students at the Demonstration Secondary School of Savannakhet Teacher Training College. Souphanouvong University Journal Multidisciplinary Research and Development , [S. l.], v. 12, n. Fast Track, p. 01–06, 2026. DOI: 10.69692/SUJMRD12(Fast track)01. Disponível em: http://www.su-journal.com/index.php/su/article/view/1410. Acesso em: 4 mar. 2026.