Mohammed, D.M.M. and a Zair, Z.R. (2017) “The Effect of Oil and Filer Contents on the Porosity of Lead Acid Battery Separators Produced From Polyethylene”, Al-Khwarizmi Engineering Journal, 1(1), pp. 101–116. Available at: https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/25 (Accessed: 7 January 2026).