SUMAIR ANWAR, JAMAL ABDUL NASIR, NAVEED YOUSUF, TAHSEEN KAZMI,. “Evaluation of The Efficiency of Immunization Services at A Primary Health Care Centre of a Squatter Settlement in Karachi Research Work Was Done at Ziauddin University, Karachi”. Journal of Fatima Jinnah Medical University 8, no. 3 (November 23, 2018). Accessed October 11, 2025. http://jfjmu.com/index.php/ojs/article/view/145.