ปากกา (Thai Wikipedia)

Analysis of information sources in references of the Wikipedia article "ปากกา" in Thai language version.

refsWebsite

Global rank Thai rank

1howstuffworks.com

840^th place

755^th place

howstuffworks.com

science.howstuffworks.com

"How does a ballpoint pen work?". Engineering. HowStuffWorks. 1998–2007. สืบค้นเมื่อ 2007-11-16.