Carol A. Chapelle10 Chaer, Abdul6 Cyssco, Dhanny R.4 Chatarina Saptorini (Pengarang)4 Clegg, Brian4 Clark Aldrich2 Cameron, Lynne2 Curry, Jeffrey E.2 Charda S., Ujang2 Cravens, David W.2 Cipta Ramadhani (Pengarang)2 Chaidir, Iding ; Surachman, Maman2 Cunningham, Stephen2 Coral Ann Tomlinson2 Carrell, Michael R.2 Cappuccino, James G. ; Sherman, Natalie2 Coltrane, Scott2 Chaniago, Ramadhani2 Charnan Simon2 Charles Duhigg (Pengarang)2