HARYANTI, S. S.; HERLINA, K.; ABDURRAHMAN, A. The learning program validity of using the ExPRession model to stimulate students’ systems thinking and numeracy skills. Momentum: Physics Education Journal, [S. l.], v. 7, n. 1, p. 164–177, 2023. DOI: 10.21067/mpej.v7i1.8096. Disponível em: https://ejournal.unikama.ac.id/index.php/momentum/article/view/8096. Acesso em: 17 may. 2024.