e-flt.nus.edu.sg/v1n12004/tschirner

http://e-flt.nus.edu.sg/v1n12004/tschirner.htm

Breadth of vocabulary and advanced English study: An empirical investigation
 

Erwin Tschirner
(mailto:erwin.tschirner@t-online.de)
University of Leipzig, Germany