Gul, Shehla, Sumbel Hafeez, Shahla Nazneen, Eesha Afridi, Uzair Ahmad, and Rafiq Ali Khan. 2024. “Impact of COVID-19 Lockdown Measures on Air Quality in Khyber Pakhtunkhwa Province: A Google Earth Engine Based Study”. International Journal of Innovations in Science & Technology 6 (4):1635-57. https://journal.50sea.com/index.php/IJIST/article/view/1037.