Mulyawan, Rico, Rizki Ramdani, and Komariah Komariah. “ Pembelajaran Pengukuran Luas Persegi Panjang Satuan Baku Menggunakan Model PBL Di SD Negeri 066 Halimun”. Innovative: Journal Of Social Science Research 3, no. 2 (June 16, 2023): 11614–11621. Accessed June 10, 2026. https://j-innovative.org/index.php/Innovative/article/view/1775.