Ismail, Zakaria and Omar, Abdullah (2006) Commitment of knowledge workers to their organizations: An evaluation of antecedents, levels and behavioral outcomes. Project Report. Universiti Utara Malaysia. (Unpublished)

Omar, Abdullah and Taufil Mohd, Kamarun Nisham and Ahmad, Norzalina (2017) Determinants of hedging: a review of theoretical studies. Journal of Insurance and Financial Management, 2 (5). pp. 92-101. ISSN 2371-2112

Omar, Abdullah and Taufil Mohd, Kamarun Nisham and Khurram, Haris and UNSPECIFIED (2019) Does market portfolio index really affect foreign exchange exposure? An empirical evidence from Malaysian non financial firms. Global Business Management Review, 11 (2). pp. 1-25. ISSN 2600 - 8416

Omar, Abdullah and Taufil Mohd, Kamarun Nisham and Ahmad, Norzalina (2017) Exposure to foreign exchange rate risk: a review of empirical evidences. Journal of Insurance and Financial Management, 2 (5). pp. 79-91. ISSN 2371-2112

Ismail, Zakaria and Omar, Abdullah and Yahya, Khulida Kirana (2003) Pekerja bermasalah : Hubungan antara persepsi masalah, tindakan dan kesan terhadap prestasi pekerja dan jabatan. Utara Management Review, 4 (1). pp. 67-84. ISSN 1511-7170

Johari, Johanim and Yahya, Khulida Kirana and Omar, Abdullah (2010) Psychometric properties of organisational structure scale in the Malaysian public service agencies: Preliminary results. International Journal of Management Studies (IJMS), 17 (1). pp. 87-106. ISSN 0127-8983

Johari, Johanim and Yahya, Khulida Kirana and Omar, Abdullah (2011) The construct validity of organizational structure scale: Evidence from Malaysia. In: Asia-Pacific Business Research Conference, 21-22 Februari 2011, Hotel Istana, Kuala Lumpur, Malaysia. (Unpublished)

Johari, Johanim and Yahya, Khulida Kirana and Omar, Abdullah (2011) The construct validity of organizational structure scale: Evidence from Malaysia. In: Annual Hawaii International Business Research Conference, 24-25 October 2011, Hilton Hawaiian Village Honolulu, Hawaii, USA.

Johari, Johanim and Yahya, Khulida Kirana and Che Mit, Daratul Ambia and Omar, Abdullah (2011) The dimensions of job charateristics: A validation study in a Malaysian context. International Business Management, 5 (2). pp. 91-103. ISSN 1993-5250

Johari, Johanim and Yahya, Khulida Kirana and Omar, Abdullah (2011) The mediating role of work involvement in a job characteristics and job performance relationship. In: 9th Industrial and Organisational Psychology Conference, 22-26 June 2011, Brisbane, Australia. (Unpublished)