Федів, І. Я., and І. Т. Штурмак. 2007. “THE PERSPECTIVE OF INCREMENT CARBOHYDRATES RESOURCES NORTHWEST PART OF PRECARPATHIAN OIL-AND-GAS BEARING REGION”. Oil and Gas Power Engineering, no. 3(4) (July):5-10. https://nge.nung.edu.ua/index.php/nge/article/view/412.