“PEMBELAJARAN MATERI LUAS LINGKARAN DI SEKOLAH DASAR: ANALISIS STRATEGI GURU, KENDALA, DAN KESULITAN SISWA”, Sindoro, vol. 18, no. 1, pp. 1371–1380, Nov. 2025, Accessed: Oct. 02, 2026. [Online]. Available: https://cibjournal.com/index.php/sindoro/article/view/2153