DownloadThe Portobello Bookshop Gift Guide 2024

Krzysztof Gerc Author & Editor

Tadeusz Marian Ostrowski is the head of the developmental and health psychology department at the Jagiellonian University's Institute of Applied Psychology.

Krzysztof Gerc and Iwona Sikorska are assistant professors at the Institute of Applied Psychology, Jagiellonian University.