Estimation of Extract Yield and Mass Transfer Coefficient in Solvent Extraction of Lubricating Oil. Al-Khwarizmi Engineering Journal, [S. l.], v. 6, n. 1, p. 1–13, 2010. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/474.. Acesso em: 4 may. 2024.