Prasetyo, Budi, Wibowo, Sigi, Juliastuti, Mega, Junus, Mochammad, AND Hakim, Muhammad. " ANALISIS GANGGUAN REVERSE POWER DAN UNDER FREQUENCY PADA GENERATOR 153,75 MVA UNIT GAS TURBINE 3.1 DI PLTGU GRESIK" JURNAL ELTEK [Online], Volume 16 Number 1 (21 August 2018)