First vocal production: The following are the 5 stages of a child's first vocal production up to the age of 18 months according to Stark (1979). Put them into the correct order.

First vocal production: The following are the 5 stages of a child's first vocal production up to the age of 18 months according to Stark (1979). Put them into the correct order.
Matching exercise

Match the items on the right with the items on the left.