Чурілов, Д. Г., В. М. Калініченко, А. В. Калініченко, and Л. В. Малинська. “Government Control of Market of Hard Biofuel As One of Factors of Balanced Use of Nature”. Scientific Progress & Innovations, no. 2 (June 28, 2012): 89–93. Accessed September 14, 2025. https://journals.pdau.edu.ua/visnyk/article/view/568.