ERFAN, M.; MAULYDA, M. A.; ERMIANA, I.; HIDAYATI, V. R.; WIDODO, A. Validity and reliability of cognitive tests study and development of elementary curriculum using Rasch model. Psychology, Evaluation, and Technology in Educational Research, [S. l.], v. 3, n. 1, p. 26–33, 2020. DOI: 10.33292/petier.v3i1.51. Disponível em: https://petier.org/index.php/PETIER/article/view/51. Acesso em: 17 apr. 2026.