APA

Mangla, Mangla S. & Pathak. (2020). Pre- to- post lockdown impact on air quality and the role of environmental factors in spreading the COVID -19 cases-a study from the worst-hit state of india. Bathinda: Central university of punjab.

Chicago

Mangla, Mangla Sherry and Pathak. 2020. Pre- to- post lockdown impact on air quality and the role of environmental factors in spreading the COVID -19 cases-a study from the worst-hit state of india. Bathinda: Central university of punjab.

Harvard

Mangla, Mangla S. and Pathak. (2020). Pre- to- post lockdown impact on air quality and the role of environmental factors in spreading the COVID -19 cases-a study from the worst-hit state of india. Bathinda: Central university of punjab.

MLA

Mangla, Mangla Sherry and Pathak. Pre- to- post lockdown impact on air quality and the role of environmental factors in spreading the COVID -19 cases-a study from the worst-hit state of india. Bathinda: Central university of punjab. 2020.