Kozak, F. V., T. V. Dikun, L. I. Gaeva, and Y. M. Demyanchuk. “ANALYSIS OF ECONOMIC EFFICIENCY OF THE USE OF BIOGASES FROM WASTE AND SECONDARY COMMODITIES OF FISHING AS FUEL IN INTERNAL ARRANGEMENTS”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry), no. 1(17) (April 11, 2018): 45–52. Accessed December 4, 2024. https://eung.nung.edu.ua/index.php/ecom/article/view/207.