SALVA, R. .; HAMIDAH, H.; AYUNINGTYAS, V. .; KUSUMA, J. W. . IMPLEMENTATION OF THE COLLABORATIVE PROBLEM-SOLVING LEARNING MODEL USING GEOGEBRA ON THE MATHEMATICAL COMMUNICATION ABILITY AND CONFIDENCE OF MTS ISLAMIYAH CIOMAS STUDENTS. International Journal of Economy, Education and Entrepreneurship (IJE3), [S. l.], v. 4, n. 2, p. 595–603, 2024. DOI: 10.53067/ije3.v4i2.302. Disponível em: http://ije3.esc-id.org/index.php/home/article/view/302. Acesso em: 20 apr. 2026.