Enzho Aryadipo, M., Ali, A. dan Hendrizal, H. (2021) “ANALYSIS OF QUALITY CONTROL WITH METHOD STATISTICAL PROCES CONTROL (SPC) BOX CULVERT AT PT. LUTVINDO WIJAYA PERKASA PEKANBARU”, Jurnal Riset Manajemen Indonesia, 3(1), hlm. 70–80. doi: 10.55768/jrmi.v3i1.67.