Sherazi, T. A., N. Siddique, M. A. Kashmiri, and S. Ahmad. 2020. “INEXPENSIVE PROTON EXCHANGE MEMBRANE SYNTHESIS BY SULFONATION OF COMMERCIALLY AVAILABLE POLYCARBONATE”. The Nucleus 44 (3-4):115-23. http://thenucleuspak.org.pk/index.php/Nucleus/article/view/1020.