Rahmawati, Nur Indah, et al. “Project Based Learning (Pjbl) Terbimbing Berbantuan Media Pembelajaran Visual Damar Kurung Untuk Meningkatkan Keaktifan Belajar”. Innovative: Journal Of Social Science Research, vol. 3, no. 2, June 2023, pp. 10290-9, http://j-innovative.org/index.php/Innovative/article/view/1571.