Perubahan lingkungan fisik sungai akibat penambangan pasir (studi kasus sungai komering Kabupaten OKU Timur, Sumatera Selatan) = The river physical environment changes due to sand mining the case study of komering river East Oku South Sumatera / Vicki Lusiagustin

Pengembangan kebijakan tata kelola kualitas air Sungai terhadap dinamika perubahan tata guna lahan melalui pendekatan manajemen risiko (studi kasus Sungai Cisadane Kota Tangerang) = The development of River water quality management policy on the dynamics of land use changes through risk management approach (case study of Cisadane River Tangerang City)

Analisis Perumusan Kebijakan Diferensiasi Tarif PBB-P2 untuk Lahan Produksi Pangan dan Ternak di Kabupaten Kulon Progo = Analyzing the Formulation of Different Rate of Property Tax for Agriculture Land in Kulon Progo Regency

Keterkaitan penggunaan tanah terhadap kualitas air Sungai di DA Ci Tanduy = Linkage between land use on river water quality in the catchment area Ci Tanduy

Perubahan penggunaan tanah di Kabupaten Kulon Progo tahun 1996, 2004, dan 2011 = Land use change in Kulon Progo regency in 1996 2004 and 2011