I received this as a guide to when the phonemes are acquired developmentally, such as:

1-2 years - The child is able to say the following sounds in words - /p/, /b/, /m/, /n/, /t/, /d/

Where can I find a better source based on research in the literature, specifically exactly like this, where they map the phonemes/consonants/vowels to an age when a child acquires them? Is there a standard source?

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