Pemanfaatan Lahan pada Kawasan Penambangan Pasir Sungai (Studi Kasus: Sungai Progo Kabupaten Kulon Progo) = Utilization of Land on River Sand Mining Area (Case Study: Progo River of Kulon Progo Regency).

Morfodinamika alur Sungai komering, Provinsi Sumatera Selatan Tahun 1990-2016 = Morphodynamics of Komering River channel Province South of Sumatera years 1990-2016

STEREOTIPISASI ETNIS PRIBUMI ATAS ETNIS PENDATANG (Studi Deskriptif Stereotip pada Etnis Komering atas Etnis Jawa: Studi Kasus di SMA Negeri 1 Martapura di Martapura, OKU Timur, Sumatera Selatan) = Native Ethnic Stereotyping on Migran Ethnic (Descriptive Study of Komering?s Stereotypes on Javanese: A Case Study in SMA Negeri 1 Martapura, Ogan Komering Ulu Timur, South Sumatera)

Pengaruh kontraksi penampang saluran terhadap kualitas fisik air sungai studi kasus : Sungai Sugutamu = The effect of channel contraction to physical water quality of river case study : Sugutamu river

Strategi pengendalian pencemaran sungai: studi kasus sungai Cipinang Jakarta Timur = Control Strategy For River Pollution: Case Study oF Cipinang River in East Jakarta