LAJIBA, Saipul; BAHRUN, Yuyun Wahyuni. Pengaruh Model Project Based Learning Terhadap Self Confidence Peserta Didik . NUMERIC : Jurnal Penelitian dan Inovasi Pendidikan Matematika, [S. l.], v. 2, n. 2, p. 68–73, 2024. Disponível em: https://ojs.untika.ac.id/index.php/numeric/article/view/741. Acesso em: 4 sep. 2025.