Hassan, Siti Rozakiyah Assurin, Noor Rafidah Md Osman, & Dina Izzati Hashim. " Dry Drilling: Feasibility of Aluminium Alloy Stack Material in Aerospace Structures." Politeknik & Kolej Komuniti Journal of Engineering and Technology [Online], 4.1 (2019): 42-53. Web. 22 Jan. 2022