Transesterification and Densification in Solid Waste Treatment Systems:   A Narrative Conceptual Review of Physicochemical Methods. Journal of Research and Technology, [S. l.], v. 12, n. 1, p. 27–39, 2026. DOI: 10.55732/h805f619. Disponível em: https://journal.unusida.ac.id/index.php/jrt/article/view/2211. Acesso em: 17 oct. 2026.