Diploma Course in Air Traffic Control (ATC) at the Universiti Teknologi Malaysia (UTM) / by 305682 Zulkifli Abd Latiff, Sallehuddin Muhamad, Mohd. Khir Mohammad, Mohd. Nadzar Mohd. Yunus, Conference on Directors General of Civil Aviation Asia and Pacific Regions (30th : 1994 : Penang)