Revista mexicana de investigación educativa.

Plan Nacional de Desarrollo 1989-1994.

CIHMECH : publicación del Centro de Investigaciones Humanísticas de Mesoamérica y el Estado de Chiapas.

Library trends.

The New Review of Hipermedia and Multimedia.

Revista de literatura.

Caravelle : Cahiers Du Monde Hispanique et Luso-Bresilien.

Coastal engineering.

Ecological engineering.

The electronic library.

Environmental technology.

Information processing & management.

International social science journal.

Landscape and urban planning.

Marine environmental research.

Ocean engineering.

Geografía y desarrollo.

Journal of chemical education.

Computer architecture news.

Operating systems review.