Modeling of Mass Transfer Coefficient in Rotating Biological Contactor with Perforated Discs (RPBC). Al-Khwarizmi Engineering Journal, [S. l.], v. 11, n. 4, p. 20–27, 2015. Disponível em: https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/271. Acesso em: 30 apr. 2025.