Issues in sociolinguistics
edited by Oscar Uribe-Villegas
Mouton, 1977
 Buku Teks
Novak, Mark
Issues in aging
Pearson, 2014
 Buku Teks
Novak, Mark
Issues in aging
Pearson, 2014
 Buku Teks
Numrich, Carol
Consider the issues
Longman: Addison-Wesley Pub., 1995
 Buku Referensi
Expert systems: human issues
Chapman and Hall , 1990
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