Additional reading:
Human Capital and Growth
Neoclassical Growth Model
Romer David: Advanced Macroeconomics. First Edition. McGraw-Hill, 1996. Ch.3 Part B Human Capital. pp. 126-136
Cohen, D. and M.Soto. Growth and Human Capital. CEPR-DP 3025, 2001
Ideas and Growth
Quasi-Endogenous Growth Model