Twenty-five years of Thai-Vietnamese relationship - Thanyāthip Sīphanā; Thīra Nutpīam; Phạm, Đức Thành; Čhulālongkǭnmahāwitthayālai. Sathāban ʿĒchīa; Seminar on Twenty-Five Years of Thai-Vietnamese Relationship (2001 : Bangkok, Thailand) (Institute of Asian Studies, Chulalongkorn University, 2003)