Atul N. Lade, Kumar Raizada, and Chandrakant B. Kothare. “A Review Paper on Performace Testing of 4-Stroke Single Cylinder Variable Compression S.I Engine With Blending Propanol With Gasoline”. International Engineering Journal For Research & Development, vol. 2, no. 1, Jan. 2016, p. 6, https://iejrd.com/index.php/iejrd/article/view/505.