AL-MISHAAL, O. F.; HUSSEIN, A. O. .; ISSA, T. A. Manganese-Based Bifunctional as an Oil–Soluble Homogenous Catalyst for in–Situ Catalytic Upgrading of High Sulfur Heavy Crude Oil. Journal of Petroleum Research and Studies, [S. l.], v. 15, n. 4, p. 127-143, 2025. DOI: 10.52716/jprs.v15i4.972. Disponível em: https://jprs.gov.iq/index.php/jprs/article/view/972. Acesso em: 23 dec. 2025.