فهرس المقالات Multipe Linear Regression حرية الوصول المقاله صفحة الملخص نص كامل 1 - Analysis of the influence of price and product performance, on the decision of heavy equipment customer buying excavator products ABC PT. XYZ Nurhayati Rauf Ahmad Padhil Ade Yulyanda 10.22094/joie.2023.1976079.2026