فهرس المقالات Nurhayati Rauf المقاله 1 - Analysis of the influence of price and product performance, on the decision of heavy equipment customer buying excavator products ABC PT. XYZ 10.22094/joie.2023.1976079.2026 Nurhayati Rauf Ahmad Padhil Ade Yulyanda Journal of Optimization in Industrial Engineering , العدد 34 , السنة 16 , بهار 2023