Open AccessPhysical Activity Surveillance in Parks Using Direct Observation
Author(s) -
Philip B. Ward,
Thomas L. McKenzie,
Deborah A. Cohen,
Kelly R. Evenson,
Daniela Golinelli,
Amy Hillier,
Sandra C. Lapham,
Stephanie Williamson
Publication year - 2014
Publication title -
carolina digital repository (university of north carolina at chapel hill)
Language(s) - English
DOI - 10.17615/b896-9v44
Subject(s) - geography