Cambridge English Assessment
(21)
Cambridge Stanford Books(EDI)
(20)
Cambridge School Classics Project
(19)
Cambridge Assessment English
(13)
Cambridge University Press (COR)
(12)
Peila, Daniele (Politecnico di Torino, Italy),Viggiani, Giulia (University of Cambridge, UK, Universita di Roma "Tor Vergata", Italy),Celestino, Tarcisio (University of Sao Paulo, Brazil)
(10)
University of Cambridge. Esol Examinations (COR)
(10)
Arthur Wallace Pickard-Cambridge
(8)
Corporate Author University of Cambridge
(8)
Cambridge University Press
(7)