Radosław Wolniak Author

Izabela Jonek-Kowalska is Associate Professor in Mining Economics and Director of Institute of Economics and Computer Science at Silesian University of Technology, Poland.

Radosław Wolniak is Full Professor in Management Sciences in the Faculty of Organization and Management at Silesian University of Technology, Poland.

Oksana A. Marinina is Associate Professor in the Department of Economics, Organization and Management at Saint-Petersburg Mining University, Russia.

Tatyana V. Ponomarenko is Full Professor in the Department of Economics, Organization and Management at Saint-Petersburg Mining University, Russia.