Pemanfaatan air danau UI untuk sumber air bersih rektorat Universitas Indonesia = Utilization of lake water UI as water resources for Rektorat University of Indonesia

Dampak Kegiatan Masyarakat Pada Kualitas Air Danau Buyan, Kabupaten Buleleng, Bali = Impact of Community Activities on The Water Quality of Buyan Lake, Buleleng Regency, Bali

Pengolahan air Danau Kenanga dengan metode kavitasi water jet = Kenanga Lake water treatment water jet cavitation method

Analisis Jangkauan Optimum Aerator Tipe Kincir Air Berdasarkan Jarak Horizontal Dalam Meningkatkan Kualitas Air Permukaan Danau = Analysis Of The Optimum Horizontal Distance Of Paddlewheel Type Aerator In Improving The Lake Surface Water Quality

Kewenangan Pengelolaan Kawasan Pariwisata Danau Toba oleh Badan Pengelola Otorita Danau Toba dan Pemerintah Daerah di Sekitar Danau Toba = The authority to manage the Lake Toba Tourism Area by the Lake Toba Authority Management Agency and the Regional Governments around Lake Toba