HUTAGAOL, Kartini; SAIJA, Louise; PANJAITAN, Maru M. J. THE ING NGARSA SUNG TULADHA COOPERATIVE LEARNING MODEL AND STUDENTS’ PROBLEM SOLVING ABILITIES. JOHME: Journal of Holistic Mathematics Education, [S. l.], v. 3, n. 2, p. 118–126, 2020. DOI: 10.19166/johme.v3i2.2005. Disponível em: http://ojs.uph.edu/index.php/JOHME/article/view/2005. Acesso em: 23 feb. 2025.