কাগজ: বিভিন্ন সংশোধনসমূহৰ মাজৰ পাৰ্থক্য

 

== তথ্য সংগ্ৰহ ==

* {{Cite book|last=Burns|first1=Robert I.|editor-last=Lindgren|editor-first=Uta|chapter=Paper comes to the West, 800–1400|title=Europäische Technik im Mittelalter. 800 bis 1400. Tradition und Innovation|edition=4th|date=1996|publisher=Gebr. Mann Verlag|place=Berlin|isbn=978-3-7861-1748-3|pages=413–422|ref=harv}}

* {{Cite book|last=Tsien|first1=Tsuen-Hsuin|author-link=Tsien Tsuen-hsuin|editor-first=Joseph|editor-last=Needham|editor-link=Joseph Needham|series=Science and Civilisation in China, Chemistry and Chemical Technology|volume=V (part 1)|title=Paper and Printing|publisher=Cambridge University Press|date=1985|ref=harv}}