TY - JOUR TI - Thermal and emission analysis of spark ignition S.I engine using premium gasoline-ethanol-paraffin blends with different operating conditions AU - KUMBHAR, S. AU - KHOT, S. JO - Sigma Journal of Engineering and Natural Sciences PY - 2025 VL - 43 SP - 369 EP - 382 DO - 10.14744/sigma.2025.00030 ER -