4x4 microstrip array antenna for point to point application / Tekijä Mohd. Nazri A. Karim, 1982-, author, Mohamad Kamal A. Rahim, author, Al-Mahrough, Hasan Ali, author, Thelaha Masri, 1962-, author, MMU International Symposium on Information and Communication Technologies (2007: Selangor)