1. Seidor, Africa. 2018. Four ways 4IR will change work. https://www.itweb.co.za/content/KWEBbvyaOAevmRjO.
2. Al-Faruqi, Raja Ismail. 1986. Al-Tawhid: Its implications for thought and life. Virginia. USA: International Institute of Islamic Thought.
3. Bennett Nathan J, Whitty Tara S, Finkbeiner Elena, et al. 2018. Environmental Stewardship: A Conceptual Review and Analytical Framework. Environmental Management 61, 597–614. https://doi.org/10.1007/s00267-017-0993-2
4. Business Consultants, Inc. 2012. Innovative thinking: Unleashing the creative power of your mind.
5. Dalmia Vinayak, and Sharma Kavi. 2017. The moral dilemmas of the Fourth Industrial Revolution, World Economic Forum. Retrieved from: https://www.weforum.org/agenda/2017/02/ethics-2-0-how-the-brave-new-world-needs-a-moral-compass/