流派
Libros electrónicos
393
Electronic books
283
Periodicals
78
Electronic journals
69
Congresses
20
Périodiques
11
Congresos
6
Biography
5
Conference papers and proceedings
5
Libros electronicos
5
Newspapers
5
Libros electr{acute}onicos
4
Case studies
3
Estudios de caso
2
Interviews
2
1988-
1
Análisis
1
Aspectos políticos
1
Biografía
1
Biographies
1
Congreso
1
Correspondence
1
Correspondencia
1
Diccionarios
1
Dictionaries
1
Early works to 1800
1
Libros de texto
1
Messages
1
Registers
1
Sources
1
Textbooks
1
czasopisma
1