Effects of residence time on the chracteristics of pan - based fibres and its fabrication through solvent - free coagulation process / by Mukhlis A. Rahman, author, Abd. Mustafa, author, Ng, Be Cheer, author, Hasrinah Abdullah, author, Muhamad Sukeri Abd Rahman, Mohd. Sohaimi Abdullahi, National Conference on Carbon Fiber and Compositen (3rd : 2007 : Terengganu)