MOCHAMAD FAIDLUL ABRORI; NASRULLAH, Nasrullah. Research Theme Design and Problem Formulation in Quantitative and Qualitative Approaches (Methodological Review in Educational Research). Demagogi: Journal of Social Sciences, Economics and Education, [S. l.], v. 4, n. 2, p. 76–85, 2026. DOI: 10.61166/demagogi.v4i2.191. Disponível em: https://www.demagogi.com/index.php/i/article/view/191. Acesso em: 22 jul. 2026.