Development of Questionnaire on Students’ Perceptions of STEM and Problem-solving (SPSP): a Rasch Modelling Approach. Radiasi : Jurnal Berkala Pendidikan Fisika, [S. l.], v. 14, n. 1, p. 34–43, 2021. DOI: 10.37729/radiasi.v14i1.1078. Disponível em: https://jurnal.umpwr.ac.id/index.php/radiasi/article/view/1078. Acesso em: 1 sep. 2026.