@ARTICLE {20186,
author={I. Duque and F. Martins and F.M.C. Clemente},
doi={},
journal={Journal of Physical Education and Sport},
title={Outdoor play and interaction’s skills in early childhood education: how to measure by using social network analysis},
year={2017},
month={March},
volume={17},
number={3},
pages={1-7},
ISSN={2247-8051}
}