Budiastra, A.A. Ketut, Susy Puspitasari, Iwan Wicaksono, and Nia Erlina. “Study of The Local Wisdom Curriculum of Geopark Belitung to Support Local Cultural Values in Context of Natural Science Learning for Elementary School”. Advances in Social Sciences Research Journal 8, no. 5 (June 8, 2021): 692–706. Accessed December 5, 2021. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/10280.