Meng Fen Grace Lin Suthiporn Sajjapanroj Curtis J. Bonk Wikibooks and Wikibookians: Loosely Coupled Community or a Choice for Future Textbooks? 327-339 2011 4 TLT 4 http://doi.ieeecomputersociety.org/10.1109/TLT.2011.12 db/journals/tlt/tlt4.html#LinSB11