1. Dan Butts, (1999) "Spirituality at work: an overview", Journal of Organizational Change Management, Vol. 12 Issue: 4, pp.328-332.
2. Elmer H. Burack, (1999) "Spirituality in the workplace", Journal of Organizational Change Management, Vol. 12 Issue: 4, pp.280-292.
3. Fourie, M., (2014), ‘Spirituality in the workplace: An introductory overview’’, Indieskriflig.org.za
4. Habibollah Javanmard , (Jan 2012) “The impact of spirituality on work performance”, Indian Journal of Science and Technology, Vol. 5 No. 1.
5. Google.com