Genre
Libros electrónicos
3,786
Periodicals
1,391
Publicaciones periódicas
627
Electronic books
317
Revistas electrónicas
275
Electronic journals
256
Publicaciones seriadas
165
Périodiques
149
Libros electronicos
37
Périodique électronique (Descripteur de forme)
18
Ressource Internet (Descripteur de forme)
18
Congresses
16
Libros electr{acute}onicos
12
Case studies
10
Examinations
10
Exámenes
10
Zeitschrift
8
Biography
6
Estudios de caso
5
Handbooks, manuals, etc
5
Bibliographie
4
Statistics
4
Congresos
3
Directories
3
Examinations, questions, etc
3
Exámenes, cuestionarios, etc
3
Handbooks and manuals
3
Abstracts
2
Bibliography
2
Biografía
2
Book reviews
2
Computer network resources
2
Cross-cultural studies
2
Early works to 1800
2
History
2
Résumés analytiques
2
périodiques
2
20th century
1
Adaptaciones curriculares
1
Anecdotes
1
Aspectos sociales
1
Bibliographie (Descripteur de forme)
1
Collections
1
Conference papers and proceedings
1
Data Processing
1
Diccionarios
1
Dictionaries
1
Directory
1
Electronic Journals
1
Electronic reference sources
1
more ...