PURNA, I. K.; ANDRIYANI, A.; NURNUGROHO, B. A. . An Analysis of Problem-solving Skills and Self-efficacy of Grade 8th Students in Statistics Learning. THETA: Jurnal Pendidikan Matematika, [S. l.], v. 4, n. 1, p. 44–52, 2022. DOI: 10.35747/t.v4i1.319. Disponível em: https://mbunivpress.or.id/journal/index.php/THETA/article/view/319. Acesso em: 23 dec. 2024.