TY - BOOK ID - 136281661 TI - Development of achievement motivation AU - Wigfield, Allan AU - Eccles, Jacquelynne S. PY - 2001 PB - San Diego (Calif.): Academic press DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136281661 AB - ER -