Our aim is to help make your Chinese language learning experience as enjoyable as possible. So to make studying Chinese Made Easier even more fun, we have provided articles on language learning which have specially been written for language learners who a
L. Karlqvist, M. Hagberg, and K. Selin. Ergonomics, 37 (7):
1261--1267(July 1994)http://www.sciencedirect.com/science/article/B6WVB-45CWD23-394/2/84cf7c0caa0fecd891fdda65396d45c0.
B. Moore, S. Dorrel, C. Halpern, and J. Fernandez. chapter The ergonomic evaluation of several chairs: a case
study, page 267-274. Taylor & Francis, London, (1992)From Jung, 2005.