Bhuiyan, Anwar Parvez, Md Azizul Islam, Md Monirul Islam, and Atiyah Hasin. “Study of Negative Symptoms Among 100 Schizophrenic Patients”. Journal of Armed Forces Medical College, Bangladesh 17, no. 1 (February 22, 2022): 22–25. Accessed August 15, 2022. https://banglajol.info/index.php/JAFMC/article/view/56716.