Kozak, F.V. et al. 2018. 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). 1(17) (Apr. 2018), 45–52. DOI:https://doi.org/10.31471/2409-0948-2018-1(17)-45-52.