Mustaffa CS, Omar N, Fikri Nordin MZ. Antecedent of Emotional Quotient, Spiritual Quotient, and Emotional Spiritual Quotient (ESQ) among Boarding Schools and Higher Learning Institutions Students. jts. 2010;2(2). Accessed August 13, 2026. https://journal.uthm.edu.my/index.php/JTS/article/view/327