Items where Author is "Ariyani, Tri"

Ariyani, Tri and Utomo, Puji (2018) KAJIAN PENENTUAN STATUS MUTU AIR SUNGAI OPAK DALAM UPAYA PENGENDALIAN PENCEMARAN SUNGAI DETERMINATION STUDY OF OPAK RIVER WATER QUALITY STATUS TO CONTROL THE RIVER POLLUTION. Tugas Akhir thesis, University of Technology Yogyakarta.