PUTRADIANTO, Ristiyan Ragil; LUKMANA, Allen Haryanto. Heat Loss and Cost Reduction of Insulation Materials on Geothermal Pipes. Journal of Petroleum and Geothermal Technology, [S. l.], v. 4, n. 1, p. 58–65, 2023. DOI: 10.31315/jpgt.v4i1.9706. Disponível em: https://jurnal.upnyk.ac.id/index.php/jest/article/view/9706. Acesso em: 5 dec. 2025.