@article{Gertler2014,
author = {Gertler, P. and Heckman, J. and Pinto, R. and Zanolini, A. and Vermeersch, C. and Walker, S. and Chang, S.M. and Grantham-McGregor, S. },
title= {Labor market returns to an early childhood stimulation intervention in Jamaica},
year = {2014},
doi = {10.1126/science.1251178},
journal = {Science },
volume = {344},
number = {6187},
pages = {998--1001},
}