@misc{indiciae9dbd7062fa35, title = {Fourth-grade students' motivational changes in an elementary physical education running program.}, author = {Ping Xiang and Ron E McBride and April Bruene}, year = {2006}, doi = {10.1080/02701367.2006.10599354}, url = {https://pubmed.ncbi.nlm.nih.gov/16898276/}, note = {Source identifier: 16898276} }