TY - BOOK ID - 137650277 TI - Youth sports : perspectives for a new century AU - Clark, Michael A. AU - Malina, Robert M.. PY - 2003 SN - 1585188611 PB - Monterey Coaches choice DB - UniCat KW - Coaching (Athletics) KW - Physical education for children KW - Sports for children UR - https://www.unicat.be/uniCat?func=search&query=sysid:137650277 AB - ER -