Following sites for online readings:
- https://ndl.iitkgp.ac.in
- pdfdrive.net
- nptel.ac.in
- vlab.co.in
- https://www.coursera.org/
- https://academy.autodesk.com/curriculum
- https://ocw.mit.edu/
- http://fkm.utm.my/~shari/download/qc02%20total%20quality%20management.pdf
- https://www.slideshare.net/KarenMorales9/tqm-power-point
- https://sg.inflibnet.ac.in/bitstream/10603/204260/6/10_chapter-3.pdf
- https://inpressco.com/wp-content/uploads/2016/06/Paper25887-889.pdf
- https://www.youtube.com/watch?v=jKclgAqdoG0