Zaidi, R. (2012). SAP ABAP advanced cookbook: Over 80 advanced recipes with excellent programming techniques that focus on the Netweaver 7.0 EHP2 and above. Packt Pub..

Zaidi, Rehan. SAP ABAP Advanced Cookbook: Over 80 Advanced Recipes with Excellent Programming Techniques That Focus on the Netweaver 7.0 EHP2 and Above. Birmingham, UK: Packt Pub., 2012.

Zaidi, Rehan. SAP ABAP Advanced Cookbook: Over 80 Advanced Recipes with Excellent Programming Techniques That Focus on the Netweaver 7.0 EHP2 and Above. Packt Pub., 2012.