Tür
Libros electrónicos
736
Periodicals
349
Electronic journals
251
Electronic books
180
Périodiques
95
Problems, exercises, etc
56
Internet videos
44
Libros electronicos
33
Internet resources
26
Publicaciones seriadas
22
Problemas, ejercicios, etc
18
Publicaciones periódicas
18
Handbooks, manuals, etc
16
Libros electr{acute}onicos
15
Textbooks
14
Short films
9
Libros de texto
6
Outlines, syllabi, etc
6
Computer network resources
5
Congresses
5
Formulae
5
Problemas
5
Popular works
4
Problemas y ejercicios
4
Tables
4
Bibliographie
2
Biography
2
Case studies
2
Examinations, questions, etc
2
Manuales, etc
2
Problems, excersices, etc
2
Study and teaching (Elementary)
2
Abstracts
1
Aufsatzsammlung
1
Bibliography
1
Comic books, strips, etc
1
Conference papers and proceedings
1
Congresos
1
Congresos y asambleas
1
Cómics, viñetas, etc
1
Didactic fiction
1
Discursos, ensayos, conferencias
1
Exámenes, preguntas, etc
1
Fiction
1
Fórmulas
1
Libros de texto, manuales, etc
1
Manuales
1
Miscellanea
1
Modelos matemáticos
1
Notebooks, sketchbooks, etc
1
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