Sukardiyono S, Rosana D. Utilization of indonesian megabiodiversity for integrated science learning with nationalism values to develop concepts understanding and soft security among students of border areas. J. Sc. Edu. Research [Internet]. 2018 Dec. 19 [cited 2025 May 6];2(2):56-65. Available from: https://journal.uny.ac.id/index.php/jser/article/view/22469