Step #1
Start the tutorial work by drawing a circle & two lines intersecting each other as shown.
Step #2
Draw outline for lower face & neck.
Step #3
Make eyes & retinas.
Step #4
Make nose & lips.
Step #5
Make right side front hairs.
Step #6
Draw left side front hairs.
Step #7
Make left back side hairs.
Step #8
Draw right back side hairs.
Step #9
Make shirt.
Step #10
Make eyes & eye glasses.
Step #11
Finally, make necessary improvements to finish.