HARTONO, W.; HADI, S.; ROSNAWATI, R.; RETNAWATI, H. Exploration of Diagnostic Testing Instruments: Validity, Reliability, and Item Characteristics. Pegem Journal of Education and Instruction, [S. l.], v. 13, n. 3, p. 386–394, 2023. DOI: 10.47750/pegegog.13.03.39. Disponível em: https://pegegog.net/index.php/pegegog/article/view/2147. Acesso em: 24 apr. 2025.