Donald Freeman and Jack C. Richardsand
Teacher learning in language teaching
Cambridge Cambridge University Press 1996
 Buku Teks SO
Anne Mc Kee
Learning trajectories, innovation and identity for professional development
Springer, 2012
 eBooks
Professional development in open and distance learning system:Analytocal evaluation
 Artikel Jurnal
Professional preparation for teacher of exceptional children
edited by Donald J. Stedman, James L. Paul
Jossey-Bass Publishers, 1981
 Buku Teks
Spencer, Patricia Elizabeth
Nurturing language and learning: development of deaf and hard-of-hearing infants and toddlers
Oxford University Press, 2016
 Buku Teks