Carmen Stokes

Feasibility of using global positioning systems (GPS) with diverse urban adults: before and after data on perceived acceptability, barriers, and ease of use.

Shannon N Zenk, Joellen Wilbur, A. Schulz, 2012, Journal of physical activity & health.

Activity space environment and dietary and physical activity behaviors: a pilot study.

JoEllen Wilbur, Stephen A Matthews, Shannon N Zenk, 2011, Health & place.