Singh, Tarminder, and Norzelawati Asmuin. “Feasibility Study of Concave Wing Design for Subsonic Aircraft (NACA 2412)”. Progress in Aerospace and Aviation Technology 2, no. 1 (August 28, 2022): 19–25. Accessed February 21, 2024. https://publisher.uthm.edu.my/ojs/index.php/paat/article/view/11077.