RUJUKAN SUMBER INTERNET https://en.m.wikipedia.org/wiki/Centerless_grinding www.sc-grinder.com/centerless-grinder . html SUMBER ILMIAH Perpustakaan Kolej Vokasional Klang Singh, G. Balagi Machineshop technology / G. Balagi Singh. ISBN 978-967-950-246-6 Machine-tools. 2. Machine-shop practice. I. Title. 621.902 Machine technology / V. Varadarajan , N. Mariyappan . ISBN 978-967-950-304-3 Machine-TOOLS. 2. Machine-shop practice. I. N. Mariyappan . II. Title. 621.902