Schultz, Theodore W.
Invesment in human capital: the role of education and of research
Free Press, 1971
 Buku Teks
Harbison, Frederick Harris
Education, manpower, and economic growth : strategies of human resource development
McGraw-Hill, 1964
 Buku Teks SO
Globalization, international law, and human rights
edited by Jeffrey F. Addicott, Md. Jahid Hossain Bhuiyan, Tareq M.R. Chowdhur
Oxford University press, 2012
 Buku Teks SO
Harbison, Frederick Harris
Educational planning and human resource development
International Institute for Educational Planning Unesco , 1967
 Buku Teks
Schultz, Theodore W.
Investment in human capital: the role of education and of research
Free Press, 1971
 Buku Teks SO