HAI, Nguyen Phuoc; BINH , Trinh Thi Kim. Application of the GSP Chart and ROC Method to Develop A Grade 8 Natural Science Item Bank from Empirical Data Analysis. Journal of Social Science and Human Research Studies, [S. l.], v. 2, n. 03, p. 187–193, 2026. DOI: 10.65150/EP-jsshrs/V2E3/2026-02. Disponível em: https://jsshrs.ep-journals.org/index.php/jsshrs/article/view/120. Acesso em: 28 sep. 2026.