Kurnianto FA, Apriyanto B, Nurdin EA, Ikhsan FA. LEVEL OF KNOWLEDGE OF SENIOR HIGH SCHOOL STUDENTS TO NORTH COASTAL OF JAVA CONSERVATION: Fahmi Arif Kurnianto, Bejo Apriyanto , Elan Artono Nurdin , Fahrudi Ahwan Ikhsan. Geosfera Indones. [Internet]. 2017 Dec. 14 [cited 2026 Feb. 21];1(1):22-8. Available from: https://geosfera.unej.ac.id/index.php/GEOSI/article/view/6192