Siddique, Muhammad, et al. “HEALTH RELATED QUALITY OF LIFE IN SCHOOL GOING ADOLESCENTS OF KHYBER PAKHTUN-KHWA PAKISTAN”. Journal of Ayub Medical College Abbottabad, vol. 27, no. 3, Sept. 2015, pp. 594-7, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/278.