Open AccessQuality-Service of Courier Companies Using Six Sigma Approach
Author(s) -
Erlina Rr
Publication year - 2020
Publication title -
ssrg international journal of economics and management studies
Language(s) - English
Resource type - Journals
ISSN - 2393-9125
DOI - 10.14445/23939125/ijems-v7i9p109
Subject(s) - six sigma , business , service quality , operations management , quality (philosophy) , service (business) , sigma , marketing , engineering , physics , quantum mechanics , lean manufacturing