slot gacor https://vta.kemenhub.go.id/assets/
Kertia, Ida Bagus, Arthana, I Wayan, AND Sandi Adnyana, I Wayan. " Studi Eutrofikasi Akibat Aktivitas Penggunaan Lahan di Danau Buyan" ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) [Online], Volume 12 Number 2 (23 January 2019)