TY  - GEN
DA  - 1996
LA  - eng
PY  - 1996
TI  - Performance deficits following failure : learned helplessness or self-esteem protection?
UR  - https://nbn-resolving.org/urn:nbn:de:0070-pub-25848446
Y2  - 2026-04-17T05:54:54
ER  -