Human health risk assessment of heavy metal and pathogenic contamination in surface water of the Punnakayal estuary, South India

S Selvam, K Jesuraja, PD Roy, S Venkatramanan… - Chemosphere, 2022 - Elsevier
Variation in levels of toxic heavy metals in river system during the COVID-19 pandemic
lockdown might potentially assist in development of a public health risk mitigation system …

Effect of COVID-19 movement control order policy on water quality changes in Sungai Langat, Selangor, Malaysia within distinct land use areas.

M Rendana, WM Razi Idris, SA Rahim - 2022 - cabidigitallibrary.org
For the first time in the 21st century, many nations have been forced to conduct a lockdown
that restricts their industrial, transportation, and social activities to avoid the extensive COVID …