“STRATEGI PEMBELAJARAN KONSEP LUAS SEGITIGA DI SEKOLAH DASAR: INTEGRASI PENDEKATAN ETNOMATEMATIKA DAN PROJECT-BASED LEARNING BERDASARKAN ANALISIS KEBUTUHAN GURU”, Sindoro, vol. 18, no. 1, pp. 1471–1480, Nov. 2025, Accessed: Oct. 03, 2026. [Online]. Available: https://cibjournal.com/index.php/sindoro/article/view/2243