ישן

The economic value of world's ecosystem services to human beings, according to Constanza and his colleagues (1997), is:

done

The economic value of world's ecosystem services to human beings, according to Constanza and his colleagues (1997), is:

done
by Lily Simon Ivgy
נערך  Feb 02 '25 - 07:56 Lily Simon Ivgy
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* השאלה נוספה בתאריך: 02-02-2025