BONIWELL, I. T. (2019). Positive psychology: Theory, research and application. Open University Press.
Lua i Stíl Chicago (17ú heag.)BONIWELL, Ilona TUNARIU. Positive Psychology: Theory, Research and Application. Open University Press, 2019.
Lua MLA (9ú heag.)BONIWELL, Ilona TUNARIU. Positive Psychology: Theory, Research and Application. Open University Press, 2019.
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