Step #1
Start the work by drawing an oval & four lines intersecting each other as shown.
Step #2
Make eyes & retinas.
Step #3
Draw eye brows, nose & lips.
Step #4
Make outline for lower face & neck.
Step #5
Draw hairs.
Step #6
Make hairs longer.
Step #7
Make shirt & thumb shape as shown.
Step #8
Draw shirt collar & bow shape as shown.
Step #9
Enhance hairs by making them think. Also draw a flower like shape.
Step #10
Finally, make necessary improvements to finish.