ARISANTI, R.; YUSUF, M.; FAIZAL, M. Study of the Effect of Proximate, Ultimate, and Calorific Value Analysis on Methane Gas Emission (CH4) on Combustion of Coal for Sustainable Environment. Science and Technology Indonesia, [S. l.], v. 3, n. 2, p. 100–106, 2018. DOI: 10.26554/sti.2018.3.2.100-106. Disponível em: https://sciencetechindonesia.com/index.php/jsti/article/view/88. Acesso em: 8 dec. 2024.