RENDI FITRAH HANDOKO; LILY ROHANITA HASIBUAN; LAILI HABIBAH PASARIBU. The Association Between Full-Day School and High School Students’ Concentration and Understanding of Mathematics. EduMatSains : Jurnal Pendidikan, Matematika dan Sains, [S. l.], v. 10, n. 3, p. 349–364, 2026. DOI: 10.33541/edumatsains.v10i3.7851. Disponível em: https://ejournal.uki.ac.id/index.php/edumatsains/article/view/7851. Acesso em: 30 apr. 2026.