Abdullah E, Yaakub MF, Azman MA, Wan Nawang WMA. Aerodynamic Study of a Two Groove on the Upper Surface of an Airfoil at Low Angles of Attack. PAAT. 2025;5(1):41-54. Accessed March 11, 2026. https://publisher.uthm.edu.my/ojs/index.php/paat/article/view/22347