Sirikun Nookua. (1991) Thai Muslims' language attitudes in Ban Surao Tambon Talingchan Chana district Songkhla province. Mahidol University,:ม.ป.ท.Sirikun Nookua. 1991. Thai Muslims' language attitudes in Ban Surao Tambon Talingchan Chana district Songkhla province. ม.ป.ท.:Mahidol University,;Sirikun Nookua. Thai Muslims' language attitudes in Ban Surao Tambon Talingchan Chana district Songkhla province. ม.ป.ท.:Mahidol University, 1991. Print.