The Building Phoneme Awareness: Know What Matters Fact Sheet from the International Dyslexia Association (IDA) covers popular topics such as:
Why Phoneme Awareness Is Important for Learning to Read
Why It Is Important to Coordinate Phoneme Awareness Instruction with the Teaching of Grapheme-Phoneme Correspondences, Spelling (Encoding), and Handwriting
When to Provide Instruction in Syllable and Rhyme Structures
References also included.