KRUNAL P. SHAH; DR. DILIPBHAI M PATEL. EXPERIMENTAL INVESTIGATION ON PERFORMANCE ENHANCEMENT OF A 4 STROKE PETROL ENGINE TEST RIG USING LASER TEXTURED AND TIN COATED PISTON RINGS. International Educational Applied Scientific Research Journal, [S. l.], v. 10, n. 10, 2025. DOI: 10.5281/zenodo.18695106. Disponível em: https://ieasrj.com/journals/index.php/ieasrj/article/view/539. Acesso em: 15 sep. 2026.