Computers & information systems:Tools for an information age
Shelly Langman1993 年出版194 页ISBN:
THE EPIDEMIOLOGY OF CHRONIC DIGESTIVE DISEASE
M.J.S.LANGMAN2222 年出版139 页ISBN:0713143290
GARY B.SHELLY THOMAS J.CASHMAN GLORIA A.WAGGONER1990 年出版368 页ISBN:0878353569