Rus, Cristian-Mihail, Liliana-Elisabeta Radu, și Gynett Ionel Vanvu. 2016. „Motivation for Participating to Sports Competitions in School”. Revista de Cercetare si Interventie Sociala 52 (martie): 195-203. https://www.rcis.ro/journal/article/view/2249-motivation-for-participating-to-sports-competitions-in.