The Positive and Negative Effects of COVID-19 Pandemic on the Natural Environment in the World.

Autor: Hrytsai, Liliia
Předmět:
Zdroj: Security: Theory & Practice / Bezpieczeństwo.Teoria i Praktyka; Apr-Jun2021, Vol. 42 Issue 2, p69-89, 21p
Databáze: Complementary Index