00341nam a2200121Ia 4500008004100000040001700041082002900058100001900087245004200106260003100148300001500179650002500194190329s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta005.133ABAPbG816S  aGreenwood, Ken 0aSAMS teach yourself ABAP/4 in 21 days  aNew DelhibTechmediac2009  axvii,730p.  aCOMPUTER PROGRAMMING