Effects of layering sequence and gamma radiation on mechanical properties and morphology of Kevlar/oil palm EFB/epoxy hybrid composites oleh Siti M.M. Amir, Mohamed T.H. Sultan, Mohammad Jawaid, Syafiqah N.A. Safri, Ain U.M. Shah, Mohd R. Yusof, J Naveen, Shukri Mohd, Khairul A.M. Salleh, Naheed Saba