RABOR, Joyce Neniel; SUMILANG, Maria Sheila Hermano; OPINIO, Kathreen Merwin Neniel. Group Dynamic Courseware (GDC): Innovative Strategic Intervention in Enhancing Basic Mathematical Skills. JPAIR Multidisciplinary Research, Philippines, v. 39, n. 1, p. 130–146, 2020. DOI: 10.7719/jpair.v39i1.765. Disponível em: https://philair.ph/index.php/jpair/article/view/765. Acesso em: 31 mar. 2025.