A-frame (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "A-frame" in English language version.

refsWebsite

Global rank English rank

1britannica.com

40^th place

58^th place

britannica.com

McGeough, Joseph A.; Hartenberg, Richard S. (2019). "Hand tool | Measuring and defining tools | Plumb line, level, and square". Encyclopædia Britannica.