[1]
Sinaga, B.B. et al. 2011. Analisis Sistem Rantai Pasok Pt. Semen Gresik (Persero) Tbk. Jurnal Optimasi Sistem Industri. 10, 1 (Apr. 2011), 105–112. DOI:https://doi.org/10.25077/josi.v10.n1.p105-112.2011.