smith Chart tutorial with many problems for leanring

could you tell me a reference that i can learn smith Chart tutorial with many problems for leanring?
Thanks

Dear baby_1
Hi
There are many references , available . but there are many tutorials available too , just google it !
See below , please :
http://www.wetterlin.org/sam/SA/Oper...ChartIntro.pdf
http://ezphysics.nchu.edu.tw/prophys...hchartnote.pdf
http://telemetry.nmsu.edu/~shoran/PD...rtTutorial.pdf

if those aren't enough , tell , me , please , i can give you more tutorials.
Best Wishes
Goldsmith