Bhattacharyya, Dipak Kumar
Oxford University Press , 2014
Buku Teks
edited by Catherine Cassel and Gillian Symon
Sage, 1994
Buku Teks SO
edited by Catherine Cassel and Gillian Symon
Sage, 1995
Buku Teks SO
Jacobsen, Kathryn H.
Jones & Bartlett Learning, 2017
Buku Teks SO
edited by Francis M. Hult and David Cassels Johnson
Wiley Blackwell, 2015
Buku Teks SO