Silvani, Novia, and Beta Rapita Silalahi. “Pengembangan Bahan Ajar Berbasis Lintas Budaya Pada Tema ‘Keragaman Budaya Bangsaku’ Di Kelas IV SD ”. Indo Green Journal 1, no. 1 (March 20, 2023): 33 – 39. Accessed October 8, 2026. https://idngreen.com/index.php/green/article/view/6.