ABDULLAH, A. G. K. ., and A. . ISMAIL. “An Exploratory Analysis of Definitions and Effects of Practicing Spirituality at Workplace from the Standing Points of School Managers”. International Journal of Asian Social Science, vol. 3, no. 8, Aug. 2013, pp. 1745-52, https://archive.aessweb.com/index.php/5007/article/view/2530.