Wohlkinger, FlorianFlorianWohlkingerBayer, MichaelMichaelBayerDitton, HartmutHartmutDitton2019-09-192016-06-022016978-3-658-11994-2https://fis.uni-bamberg.de/handle/uniba/40465engMeasuring Self-Concept in the NEPSbookpart