LESHCHENKO , I. . ESTIMATES OF METHANE EMISSIONS IN THE OIL-AND-GAS INDUSTRY OF UKRAINE: PROBLEMS AND WORLD EXPERIENCE IN THEIR SOLUTION. Science and Innovation, Ukraine, v. 17, n. 3, p. 37–48, 2021. DOI: 10.15407/scine17.03.037. Disponível em: https://scinn-eng.org.ua/ojs/index.php/ni/article/view/108. Acesso em: 23 apr. 2026.