During the period 1960-2002, 420 studies completed and based on
A. Quantitative Approach
B. Qualitative Approach
C. Quantitative and Qualitative Approach
D. Time-series Approach
Answer:C
During the period 1960-2002, 420 studies completed and based on
A. Quantitative Approach B. Qualitative Approach C. Quantitative and Qualitative Approach D. Time-series Approach