Is there an Arabic or English manual that explain the production planning ? and if there is also a manual for production planning on SAP ?

There is a manual for SAP PP Module, by SAP Press, but only a part of it is available online, you have to buy the full version :

http://www.sap-press.de/download/dateien/2421/sappress_production_planning_control_2..pdf

Also, there is a YouTube channel call sapschool , with lots of instructional vidoes on SAP.

There is a very helpful30 Mins Video on PP Module :

http://www.youtube.com/watch?v=geDTPFB2JEQ

Finally, I found that website helpful, it has a lot of resources on SAP : 

http://www.erpgreat.com/sap-pp.htm

I have SAP Press manual of SAP PP module , mail me