डॉ० प्रो० अवधेश कुमार शैलज, पचम्बा, बेगूसराय।
Definition of Developmental psychology :-
Developmental psychology is the study of aging dynamics or prenatal and postnatal growth; psycho-physical, emotional and adjustive development; behavioral change or maturation and social interaction of an organism or human being.
Dr. Prof. Awadhesh Kumar Shailaj, Pachamba, Begusarai.
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