Tür
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1
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3
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1
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1
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1
Classification
6
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3
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3
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1
Electronic books
65
Electronic journals
435
Examination Questions
2
Examinations, questions, etc
2
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2
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2
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2
Internet resources
8
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2
Laboratory manuals
1
Libros de texto
2
Libros electronicos
5
Libros electrónicos
802
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1
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2
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1
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3
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3
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1
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12
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552
Périodiques
103
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2
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1
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2
Publicaciones periódicas
39
Publicaciones seriadas
76
Revistas electrónicas
19
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2
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1
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3
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1
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1
czasopisma
1
periodicals
1