Discovering nutrition third edition
paul insel and r.elaine turner and donross2010 年出版845 页ISBN：0763758736
discovering nutrition student guide second edition
1986 年出版112 页ISBN：002667890x
discovering nutrition Teacher's guide second edition
1986 年出版168 页ISBN：0026678101
DISCOVERING ASTRONOMY THIRD EDITION
R.ROBERT ROBBINS WILLIAM H.JEFFERYS STEPHEN J.SHAWL1981 年出版605 页ISBN：0471584371
DISCOVERING MASS COMMUNICATION THIRD EDITION
SAMUEL L.BECKER CHURCHILL L.ROBERTS1992 年出版541 页ISBN：067346119X
ETHICS DISCOVERING RIGHT AND WRONG THIRD EDITION
LOUIS P.POJMAN1999 年出版285 页ISBN：0534551815
