शैली
Congresses
10
Conference papers and proceedings
8
Case studies
7
History
6
Periodicals
5
Academic theses
2
Périodiques
2
Statistics
2
periodicals
2
Catalogs
1
Documentary films
1
Electronic books
1
Libros electronicos
1
Periodical
1
Thèses et écrits académiques
1
Video recordings
1
Zeitschrift
1
dissertations
1