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Omar, Mohd. Adan and Hussain, Azham and Saad, Mohd. Nizam (2005) Electronic commerce adoption and implementation in logistic industry: Penang port area perspective. In: Proceeding of the 7th International Conference on Information Integration and Web-Based Application & Services (iiWAS2005). Östereichische Computer Gesellschaft, pp. 495-505. ISBN 3854031963

Bohari, Abdul Manaf and Omar, Mohd. Adan (2006) Program Pengkomputeran Perniagaan di Institusi Pengajian Tinggi Malaysia: Satu analisis deskriptif. In: Isu-isu kontemporari Koridor Raya Multimedia aplikasi teknologi pengurusan. Pearson, Petaling Jaya, pp. 202-215. ISBN 9833655440

Omar, Mohd. Adan and Hussain, Azham and Saad, Mohd Nizam (2001) Sistem pengurusan sumber manusia sebagai alat pengurusan sumber manusia bersepadu. In: Asas pengurusan sumber manusia pendekatan proses. Siri pengurusan dan pentadbiran Utusan . Utusan Publications, Kuala Lumpur, pp. 275-280. ISBN 9676111309