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Uitgaven door Barbara Fredrickson

29 december 2009 – 5 juli 2022

Cover for Barbara Fredrickson · Positivity 101 (CD) (2022)
CD
Positivity 101
Barbara Fredrickson
Cover for Barbara Fredrickson · Positivity 101 (CD) (2022)
CD
Positivity 101
Barbara Fredrickson
Cover for Barbara Fredrickson · Amor 2.0 (Paperback Book) (2021)
Paperback Book
Amor 2.0
Barbara Fredrickson
Cover for Barbara Fredrickson · Kærlighed (Paperback Book) [1e uitgave] [Paperback] (2013)
Paperback Book
1e uitgave
Kærlighed
Barbara Fredrickson
Cover for Barbara Fredrickson · Positivity: Groundbreaking Research to Release Your Inner Optimist and Thrive (Paperback Book) (2011)
Paperback Book
Positivity: Groundbreaking Resea...
Barbara Fredrickson
Cover for Barbara Fredrickson · Positivity: Top-notch Research Reveals the 3 to 1 Ratio That Will Change Your Life (Paperback Book) (2009)
Paperback Book
1e uitgave
Positivity: Top-notch Research R...
Barbara Fredrickson