TY - JOUR
AU - 
JF - Motivation and Self-Regulation across the Life Span
DO - 10.1017/cbo9780511527869.015
DA - 1998-10-28
UR - https://www.deepdyve.com/lp/crossref/CXZg22PoEV
SP - 341
EP - 364
DP - DeepDyve
ER -