Boniwell, Ilona <br/><br/>
Positive psychology :   theory, research and applications. 
Ilona Boniwell; Aneta D Tunariu; Kate Hefferon 
 - 2e. 
 - London :   Open University Press,   2019. 
 - xiv, 313p. ; illus.,  includes references & index 
<br/><br/><label>ISBN: </label>9780335262182 - pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Positive psychology.<br/>2.  Reinforcement (Psychology) <br/>3. Psychology.