Children and adolescents in athletic competition, rewards and adversitiesJan Broekhoff Symposium (1st 1994 University of Oregon) · First published 1996Open the Tome
Ways and means of organizing a system for the standardized collection of documentation in physical education and sportJan Broekhoff · First published 1980Open the Tome
Physical education, sports, and the sciencesH. Harrison Clarke, Jan Broekhoff · First published 1976Open the Tome
