Kobayashi และ Akira. (1992) A survey of knowledge, attitude, and behavior about AIDS among Japanese businessmen in Thailand. Mahidol University,:ม.ป.ท.Kobayashi และ Akira. 1992. A survey of knowledge, attitude, and behavior about AIDS among Japanese businessmen in Thailand. ม.ป.ท.:Mahidol University,;Kobayashi และ Akira. A survey of knowledge, attitude, and behavior about AIDS among Japanese businessmen in Thailand. ม.ป.ท.:Mahidol University, 1992. Print.