Sajjad Hussain, Madiha Naz, Humera Ali, Saima Afzal, Mehr Gull, Zakir Hussain. “Impact of Smoking on Academic Performance Among Students; A Case Study in Pakistan and Turkey”. Pakistan Journal of Medical & Health Sciences 16, no. 06 (August 18, 2022): 733. Accessed August 16, 2024. https://pjmhsonline.com/index.php/pjmhs/article/view/2015.