Payne, Richard J., 1949-
Global issues
Pearson Education , 2014
Buku Teks SO
Issues in sociolinguistics
edited by Oscar Uribe-Villegas
Mouton, 1977
Buku Teks SO
Novak, Mark
Issues in aging
Pearson, 2014
Buku Teks
Novak, Mark
Issues in aging
Pearson, 2014
Buku Teks SO
Expert systems: human issues
Chapman and Hall , 1990
Buku Teks SO