1.

Sustainability Index was commissioned by _____?n1. World Health Organization (WHO)n2. United Nations Children's Fund (UNICEF)n3. Lancet Medical JournalnSelect the correct answer using the code given below :

A. 1 and 2
B. 2 and 3
C. 1 and 3
D. 1, 2 and 3
Answer» E.


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