Perforation (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Perforation" in English language version.

refsWebsite
Global rank English rank
3rd place
3rd place
1,782nd place
1,016th place
low place
low place
low place
low place

ala.org

  • "LHRT Newsletter". Library History Round Table (LHRT). 2010-12-01. Retrieved 2017-06-08.

books.google.com

  • Todd, Robert H.; Allen, Dell K.; Alting, Leo (1994), Manufacturing Processes Reference Guide, Industrial Press Inc., pp. 103–104, ISBN 0-8311-3049-0.

clearbags.com

worldcement.com