Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Worth, Piers', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Positive psychology across the lifespan an existential perspective

    Cyhoeddwyd 2022
    Llyfr

    Positive psychology across the lifespan an existential perspective
  2. 2

    Second wave positive psychology embracing the dark side of life gan Ivtzan, Itai, Lomas, Tim 1979-, Hefferon, Kate, Worth, Piers

    Cyhoeddwyd 2016
    Table of contents only
    Llyfr

    Second wave positive psychology embracing the dark side of life

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