فهرس المقالات Irina Gontareva المقاله 1 - Correlation of Income Inequality and Entrepreneurial Activity 20.1001.1.22519904.2021.14.3.5.0 10.22094/joie.2020.677815 Irina Gontareva Vitalina Babenko Nataliia Shmatko Dariusz Pawliszczy Journal of Optimization in Industrial Engineering , العدد 29 , السنة 14 , تابستان 2021
