Widianto, Harry. “Peran Dan Pentingnya Fosil Bagi Ilmu Pengetahuan”. Berkala Arkeologi 26, no. 1 (May 28, 2006): 77–85. Accessed December 11, 2024. https://berkalaarkeologi.kemdikbud.go.id/index.php/berkalaarkeologi/article/view/926.