al-Kiyumi, M. bin T. bin M. and Al-Farisiah, S. bint S. bin K. (2018) “Relationship of Spiritual Intelligence with achievement among 11th grade students in Al Suwaiq in the Sultanate of Oman”, Journal of Educational and Psychological Sciences, 2(26), pp. 69–50. doi:10.26389/AJSRP.S030718.