The Happiness Equation: 100 Factors That Can Add to or Subtract from Your Happiness
by Bridget Grenville-Cleave,Ilona Boniwell,Tina B. Tessina
ISBN 13: 9781605500348
Format: Paperback (144 pages) Publisher: Adams Media Corporation Published: 17 Dec 2008
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Positive Psychology in a Nutshell: A Balanced Introduction to the Science of Optimal Functioning (second edition)
by Ilona Boniwell
ISBN 13: 9780954838782
Format: Paperback (134 pages) Publisher: PWBC Published: 15 May 2008
Personal Well-Being Lessons for Secondary Schools: Positive psychology in action for 11 to 14 year olds
by Ilona Boniwell, Lucy Ryan
ISBN 13: 9780335246168
Format: Paperback (232 pages) Publisher: Open University Press Published: 01 Mar 2012