Instrumentasi Scientific Publication, Volume 40 No.1, January-June 2016 berisi: - OPTIMIZATION OF KOLONG WATER TREATMENT USING ADVANCED OXIDATION PROCESSES (AOPs) METHODS AND HETEROGENOUS CATALYST IMPREGNATION TO REMOVE METALS IN KOLONG - Veny Luvita, Anto Tri Sugiarto, Savitri Savitri - COMPARISON AND CORRELATION AMONG MEASUREMENT RESULTS OF OBSERVATORY, HELLMAN, AND TIPPING BUCKET SENSORS …