Abbasi, Dr Najam Ul Hasan, et al. “THE RELATIONSHIP BETWEEN DEPRESSION, ANXIETY, STRESS AND SELF HARM AMONG COLLEGE STUDENTS: A CROSS-SECTIONAL SURVEY: Depression, Anxiety, Stress And Self Harm”. Pakistan Armed Forces Medical Journal, vol. 68, no. 1, Feb. 2018, pp. 137-42, https://www.pafmj.org/PAFMJ/article/view/1580.