Mukhtar, Saraban, Himayatullah Majidi, and Milad Ahmad Abdullah. “Design of Two-Stroke Compressed Air Engine Based on a Four-Stroke Petrol Engine”. Journal of Natural Sciences – Kabul University 8, no. 2 (September 22, 2025): 81–101. Accessed October 1, 2025. https://jns.edu.af/jns/article/view/64.