Mesmo autor
Mais de C. J. Armstrong
Staying legal
1999
Cd-Rom Information Products
1990
2011 guide to free or nearly-free e-books
2011
World databases in medicine
1993
World databases in physics and mathematics
1995
Keyguide to information sources in online and CD-ROM database searching
1997
Changing patterns of online information
1994
World databases in biosciences & pharmacology
1996
World databases in geography and geology
1995
Leituras vizinhas
