প্রলেখ প্রকারভেদ
Libros electrónicos
183
Electronic journals
87
Periodicals
84
Electronic books
10
Périodiques
10
Newspapers
4
Computer network resources
2
Internet resources
2
Libros electr{acute}onicos
2
Conference papers and proceedings
1
Congresses
1
Libros electronicos
1
Publicaciones periódicas
1
Publicaciones seriadas
1
methods
1
periodicals
1