MULYANI, Sri; NOER, Sri Hastuti. Effectiveness of the STEM approach in improving students’ mathematical conceptual understanding ability. Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika, [S. l.], v. 8, n. 2, p. 461–472, 2025. DOI: 10.30606/absis.v8i2.3271. Disponível em: https://journal.upp.ac.id/index.php/absis/article/view/3271. Acesso em: 15 jun. 2026.