굴착기 (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "굴착기" in Korean language version.

refsWebsite

Global rank Korean rank

46^th place

2^nd place

3,019^th place

14^th place

4,895^th place

2,693^rd place

305^th place

227^th place

832^nd place

7^th place

794^th place

377^th place

3,317^th place

35^th place

cambridge.org

Cutler J. Cleveland. 〈Otis, William S.〉. 《Encyclopedia of Earth》 (영어). 2011년 8월 10일에 확인함. …(전략)…invented the first powered construction machine and the steam shovel in 1835…(후략)…