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 (Unpublished)

Ismail, Zakaria and Habeeb Mohd, Abdul Malik and Achro, Malani (2001) Gangguan seksual di tempat kerja definisi, kesan dan langkah mengatasinya. Jelapang, 2 (2). pp. 1-12.

Ismail, Zakaria (2004) Organizational commitment and the new workforce: a review of antecedents, outcomes and relevance. International Journal of Management Studies (IJMS), 11. pp. 1-28. ISSN 0127-8983

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

Ismail, Zakaria and Mohd Makhbul, Zafir (2000) Persepsi faktor mempengaruhi kesetiaan pekerja bukan pengurusan. Utara Management Review, 1 (1). pp. 33-41. ISSN 1511-7170

Opatha, H.H.D.N.P. and Ismail, Zakaria (2001) Towards effective worker grievance handling: some reflections. Analisis, 8 (1&2). pp. 111-127. ISSN 0127-8983