Gaol, Rumiris Lumban, and Ester Julinda Simarmata. “Bahan Ajar Tematik Berbasis Budaya Lokal Melalui Penerapan Model Pembelajaran Contextual Teaching And Learning (CTL)”. Jayapangus Press Books (November 1, 2019). Accessed April 19, 2024. http://book.penerbit.org/index.php/JPB/article/view/547.