00723nam a22001457a 4500040003600000082001700036100002600053245011100079260003500190300003400225500004000259502014200299546001200441650012400453 cRiphah International University a658.202bSID aSidra Rafique (11615) aAnalysis of productive maintenance and packaging error at volta batteries by using six sigma methodologies aIslamabadb(unpublished)c2014 a102 p.b: ill.c; 30 cm.e+CD aIncludes bibliographical references aSubmitted in fulfillment of the requirements for the degree of Master of Philosophy in Statistics to the Faculty of Management Sciences. aEnglish aProductive maintenancevBattery manufacturingvPlant maintenancevPackaging errorvVolta batteriesvSix sigmavRSLvFMS