WARUWU, Dasari; GULO, Hardikupatu; GEA, Sehati. Comprehensive Analysis of Assessment Instruments: Validity, Reliability, Item Difficulty, and Discrimination Indices in Ecosystem Learning Materials. GEN BIONIX: Jurnal Ilmiah Pendidikan Biologi, [S. l.], v. 4, n. 1, p. 8–15, 2026. DOI: 10.56207/genbionix.v4i1.813. Disponível em: https://ojs.unias.ac.id/index.php/gb/article/view/813. Acesso em: 22 jun. 2026.