BARIDA, M.; HIDAYAH, N. .; RAMLI, M.; TAUFIQ, . A. .; SUNARYONO, S. An investigation of item difficulties in assertive communication based on Yogyakarta cultural values. Pegem Journal of Education and Instruction, [S. l.], v. 11, n. 4, p. 100–109, 2021. DOI: 10.47750/pegegog.11.04.10. Disponível em: https://www.pegegog.net/index.php/pegegog/article/view/1410. Acesso em: 17 may. 2025.