Development of Petroleum E-Module Based on Scientific Approach for Senior High School Grade XI. Entalpi Pendidikan Kimia, [S. l.], v. 2, n. 4, p. 39–45, 2021. DOI: 10.24036/epk.v2i4.199. Disponível em: http://entalpipendidikan.ppj.unp.ac.id/index.php/epk/article/view/199. Acesso em: 29 oct. 2026.