Preya Wongkhomthong. A preliminary investigation of Thai and Japanese formulaic expressions / by Preya Wongkhomthong. - Berkeley, Calif. : University of California, 1985. - 216 p. ; 22 cm. Thesis (Ph.D.) - University of California, 1985. p. 209-216. Subjects--Topical Terms: Sociolinguistics--Thailand.Sociolinguistics--Japan.