I am happy with Tanmay Reply.......
Also take ERP great saite for details.
http://www.erpgreat.com/sap-le.htm
http://www.erpgreat.com/sap-books.htm#SAP-MM
http://www.erpgreat.com/sap-fi.htm
http://www.erpgreat.com/sap-sd.htm#SDABAP
sap sd tcodes link
http://www.erpgreat.com/sap-sd/sap-sd-transaction-codes-list.htm
regards,
Nitin Nikhade