Saad, Mazni, Rosita Husain, Nafiza Mahayuddin, Aznita Ahmad, and Mokana Muthu Kumarasamy. “Is Spiritual Intelligence No Longer Relevant on Business Performance?”. International Journal of Engineering & Technology 7, no. 3.25 (August 14, 2018): 27–31. Accessed May 3, 2024. https://sciencepubco.com/index.php/ijet/article/view/17465.