Saputra VE, Kurniawan IE, Sunardi D. ANALYSIS OF SAFETY RISK MANAGEMENT IMPLEMENTATION IN THE BOEING 737 - 300 ENGINE REPLACEMENT PROCESS AT PT. MULYA SEJAHTERA TECHNOLOGY: Analisis Penerapan Manajemen Resiko Keselamatan Pada Proses Penggantian Engine Boeing 737 - 300 di PT. Mulya Sejahtera technology. J. Penelit. Poltekbang Surabaya. 2022;7(2):135-146. doi:10.46491/jp.v7i2.904