Sahil, Mohammad Yonus, and Dr. Qamaruddin Bigzad. “Investigating the Incidence of CAP in Children under Five Years of Age at Abu Ali Sina Balkhi Regional Teaching Hospital”. Payam Sehat Research- Scientific Journal, vol. 2, no. 1, Aug. 2026, pp. 85-96, https://journals.ba.edu.af/index.php/psrsj/article/view/58.