Amir Ullah, and S. N. Badshah. “Health Security Threats of VBDs in KP, and Islamic Concept of Cleanliness: Case Study of Dengue and Zika Viruses”. Al-Azhār, vol. 3, no. 02, Dec. 2017, pp. 13-37, http://www.al-azhaar.org/index.php/alazhar/article/view/180.