Hetty van de Rijt
The late Hetty van de Rijt-Plooij received her PhD at Cambridge University as a physical anthropologist. With her husband, Dr Plooij, she studied infant development in free-living chimpanzees with Dr. Jane Goodall in the Gombe National Park. As a researcher at the University of Amsterdam, she studied the development of human babies in their home environment through direct observations, filming, and in-depth interviews with their parents.
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The Wonder Weeks - A Stress-Free Guide to Your Baby`s Behaviour: A Stress-Free Guide to Your Baby's Behavior
Xaviera Plas-plooij; Frans X. Plooij; Hetty Van De Rijt
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The Wonder Weeks: How to Stimulate Your Baby's Mental Development and Help Him Turn His 10 Predictable, Great, Fussy Phases Into Magical Leaps ... fussy phases into magical leaps forward.
Hetty Van De Rijt; Frans Plooij; Xaviera Plas-Plooij
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Why They Cry: Understanding Child Development in the First Year
Rijt, Hetty Van De; Plooij, Frans
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Oei, ik groei!: de tien sprongen in de mentale ontwikkeling van je baby
Van De Rijt, Hetty; Plooij, Frans X.
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Oje, ich wachse!: Von den acht "Sprüngen" in der mentalen Entwicklung Ihres Kindes während der ersten 14 Monate und wie Sie damit umgehen können - Die Eltern-Bibel
Van De Rijt, Hetty; Plooij, Frans X.; Plooij, Xaviera
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Oje, ich wachse!: Von den 10 "Sprüngen" in der mentalen Entwicklung Ihres Kindes während der ersten 20 Monate und wie Sie damit umgehen können
Van De Rijt, Hetty; Plooij, Frans X.
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Harika Haftalar: Bebeğinizin ilk 20 ayındaki en önemli gelişim haftalarını destekleme ve bu 10 zorlu evreyi büyülü sıçramalara dönüştürme rehberi
Hetty Van De Rijt; Frans Plooij
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