Investment in education and training which enhance the skills and productivity of a country's workforce are essential for the realization of social and economic development, according to?

Investment in education and training which enhance the skills and productivity of a country's workforce are essential for the realization of social and economic development, according to?
(a) Aggregate approach
(b) Education Output Ratio method
(c) Manpower approach
(d) Rate of return approach
✅ Correct answer: (c) Manpower approach
Explanation: The manpower approach emphasizes education as a means to develop a skilled, productive workforce for economic progress.