hello i want the citation for this site" What is 3D printing? How does 3D printing work? | Hubs " & " What is 3D printing? How does 3D printing work? | Hubs "& " What is 3D printing? How does 3D printing work? | Hubs ". i really need a citation cause i need to make it as a references in my report. can you provide it for me. and also, i cannot find my previous comment here as im going to reply someone’s comment but i cant find it. thank you. im a student actually.
