Sialahi, Rudy Vernando, and Deotemanta Pasaribu. “PENERAPAN DMAIC DALAM UPAYA MENURUNKAN DEFECT PADA PROSES GREEN TIRE SERVICE (GTS) SIZE LIGHT TRUCK DI PT XYZ [IMPLEMENTATION OF DMAIC TO REDUCE DEFECTS IN THE GREEN TIRE SERVICE (GTS) PROCESS FOR LIGHT TRUCK SIZES AT PT XYZ]”. FaST : Jurnal Sains Dan Teknologi, vol. 8, no. 2, Nov. 2024, pp. 188-99, doi:10.19166/jstfast.v8i2.8128.