หนังสือจาก Sandra D. Coon

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  How to Discipline a Toddler: Toddler Discipline for Every Age and Stage. Practical Tips to Solve Common Toddler Challenges (Broken Down by Age) and Make Life EasierSandra D. Coon
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  Parenting Siblings Without Rivalry: Prevent and Solve (New Baby, School Age, Twin, ...) Sibling Rivalry. The Practical Guide to Raising Best Buddies and Saving Your SanitySandra D. Coon

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  Sleep Training for Babies & Toddlers: ALL (Gentle & Less Gentle) Techniques Thoroughly Covered. When & Specifically How to Implement Each Technique, so BOTH of You Can Get Better & Longer Sleep!Sandra D. Coon