TY - JOUR TI - A computational modal analysis of graphene and hexagonal boron nitride reinforced polypropylene nanocomposites AU - SHAIKH, A.M. AU - KUBADE, P.R. JO - Sigma Journal of Engineering and Natural Sciences PY - 2026 VL - 44 SP - 2797 EP - 2807 DO - 10.14744/sigma.2026.2128 ER -