00953nam a2200193Ia 4500 CTU_141518 210402s9999 xx 000 0 und d 1223000 658.4 S625 Six sigma for transactions and service Parveen S. Goel ... [et al.] New York McGraw-Hill 2005 Many of the Six Sigma methods successfully used in manufacturing are now being utilized in the transactional and service sectors. However, business-specific issues such as customer billing, order processing, and call center management require a modified set of problem-solving and analytical tools. This resource addresses those differences and provides a roadmap for impelementing "customer-centric" Six Sigma. Process control,Six sigma (Quality control standard) Bạch Trúc Trung tâm Học liệu Trường Đại học Cần Thơ