Economic development that meets the needs of the present without compromising the ability of future generations to meet their own needs is :
Which nation is the highest defaulter in payment of its dues to the UN as on 1 -4 - 1999
Moving average method of fitting trend in a time series data removes the effect of
The number of possible samples of size n out of N population units without replacement is
Local control in experimental designs is meant to
Replication in an experiment means