Meningkatkan Kemampuan Berbicara Balita, Panduan Komprehensif untuk Orang Tua

Referensi:

1. American Speech-Language-Hearing Association. (2023). "Developmental Milestones." www.asha.org.
2. Mayo Clinic. (2022). "Speech Delay in Children." www.mayoclinic.org.
3. Zero to Three. (2023). "How to Support Your Child’s Communication Skills." www.zerotothree.org.