TY - BOOK ID - 136693340 TI - Mental toughness training for sports : achieving athletic excellence PY - 1987 SN - 0828905746 PB - Lexington Stephen Green Press DB - UniCat KW - Mental discipline KW - Sports KW - Psychological aspects UR - https://www.unicat.be/uniCat?func=search&query=sysid:136693340 AB - ER -