Natalia Iwaszczuk, Marta Szyba, Myroslava Mylenka. USING ALTERNATIVE SOURCES OF METHANE FOR ENERGY AS A METHOD OF ENVIRONMENTAL PROTECTION AND IMPROVEMENT OF ECONOMY CONDITION, ON EXAMPLE OF POLAND. ACTA INNOVATIONS [Internet]. 2019 Dec. 30 [cited 2025 May 21];33:90-9. Available from: https://www.actainnovations.com/index.php/pub/article/view/33_9