DEVELOPMENT OF POWERPOINT-BASED LEARNING MEDIA ON THE MATERIAL OF SYSTEM OF TWO VARIABLE LINEAR EQUATIONS. SOSCIED, [S. l.], v. 8, n. 1, p. 259–267, 2025. DOI: 10.32531/jsoscied.v8i1.943. Disponível em: http://jurnal.poltekstpaul.ac.id/index.php/jsoscied/article/view/943. Acesso em: 16 apr. 2026.