TY - BOOK AU - Becker, Gary Stanley TI - Human capital : a theoretical and empirical analysis, with special reference to education PB - National Bureau of Economic Research PB - Distributed by Columbia University Press PY - 1964 T2 - National Bureau of Economic Research general series VL - no. 80 EP - xvi, 187 p. UR - https://ci.nii.ac.jp/ncid/BA03150739 ER -