特定化学物質及び四アルキル鉛等作業主任者技能講習 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "特定化学物質及び四アルキル鉛等作業主任者技能講習" in Japanese language version.

refsWebsite

Global rank Japanese rank

low place

5,122^nd place

jisha.or.jp

https://www.jisha.or.jp/international/topics/202103_05.html