Asma Perveen, Hazalizah Bt Hamzah., Fatanah Ramlee. “Effectiveness of Self-Esteem Based Interventions to Enhance Self Esteem and Academic Achievement Among Undergraduate Students”. International Journal of Advanced Science and Technology, Vol. 29, no. 8s, Apr. 2020, pp. 1973 -83, http://sersc.org/journals/index.php/IJAST/article/view/12762.