PENGARUH MODEL PEMBELAJARAN DAN MOTIVASI BELAJAR TERHADAP KEMAMPUAN PEMAHAMAN KONSEP MATEMATIKA (EKSPERIMEN PADA SISWA SMP SWASTA DI KABUPATEN LEBAK): THE INFLUENCE LEARNING MODEL AND STUDENT’S MOTIVATION TOWARD THE COMPREHENSIBLE OF MATHEMATICS CONCEPT. Abacus: Academic Journal of Mathematics Learning and Education, [S. l.], v. 2, n. 01, p. 21–37, 2021. DOI: 10.59605/abacus.v2i01.158. Disponível em: https://jurnal.upg.ac.id/index.php/abacus/article/view/158.. Acesso em: 20 may. 2024.