TY  - RPRT
TI  - Fourth-grade students' motivational changes in an elementary physical education running program.
AU  - Ping Xiang
AU  - Ron E McBride
AU  - April Bruene
PY  - 2006
DO  - 10.1080/02701367.2006.10599354
UR  - https://pubmed.ncbi.nlm.nih.gov/16898276/
ID  - 16898276
ER  -