“A Comparative Analysis on Surface Roughness of Plain Epoxy Composite With Reinforcement of 10 Wt% of Pista Shell Particles Novel Composite Using CNC Machining”. Journal of Pharmaceutical Negative Results (September 27, 2022): 376–385. Accessed June 3, 2026. https://www.pnrjournal.com/index.php/home/article/view/924.