Dr. Tansif ur Rehman ,Mehmood Ahmed Usmani ,Dr. Sajida Parveen. THREATS AND IMPACT OF COVID-19 ON ENVIRONMENT ANALYSIS OF CONTEMPORARY CIRCUMSTANCES . pjia [Internet]. 2021 Jun. 30 [cited 2026 Oct. 5];4(2). Available from: https://pjia.com.pk/index.php/pjia/article/view/206