MUTU LAYANAN
SUMBER RUJUKKAN
1.Knowles, G. (2011). Quality
management.
Bookboon.
2.Foster, S. T., (2017). Managing
quality: Integrating the supply chain, New Jersey: Pearson Prentice Hall.
Click 06 David Hoyle (2007) Quality Management Essentials.pdf link to view the file.