ПросмотрЕстественные науки по теме "environment"
Отображаемые элементы 1-2 из 2
-
CURRENT ENVIRONMENTAL PROBLEMS: PLASTIC POLLUTION
(L.N.Gumilyov Eurasian National University, 2020-04-10)2023-10-19 -
SOURCES OF POLLUTION OF THE MAIN ELEMENTS OF THE ENVIRONMENT
(L.N.Gumilyov Eurasian National University, 2020-04-10)2023-10-19