Ussama Khalid Barki (00000119203) Development of kevlar (poly-aramid) based polymer electrolyte membrane for high temperature polymer electrolyte membrane fuel cell (HT-PEMFC) / - USPCAS-E, NUST, Islamabad : 2018 - xvi, 136 p. TH-85 Subjects--Topical Terms: MS-ESE Thesis MS Thesis Dewey Class. No.: 621.3 / USS