Urban Adolescents’ Physical Activity Experience, Physical Activity Levels, and Use of Screen-Based Media during Leisure Time: A Structural Model

por Xie, Hui, Scott, Jason L., Caldwell, Linda L.
Publicado 2018

Predicting secondary school dropout among South African adolescents: A survival analysis approach

por Weybright, Elizabeth H., Caldwell, Linda L., Xie, Hui (Jimmy), Wegner, Lisa, Smith, Edward A.
Publicado 2017