Effect of graphene addition on tensile, flexural, and hardness behavior of GFRP composites - Siraganahalli N. Nagesh; Chamarajanagar G. Ramachandra; Pallagatte C. Aruna Kumara; Praveen Kumar Kanti; Chander Prakash; Sandeep Kumar; Gabr Goshu Syum; Archana Bhat (PLoS ONE, 2026)