Nawakan Kamphaeng และ Sunti Tirapat. (2000) The relation between corporate diversification and managerial equity ownership in Thailand. Chulalongkorn University:ม.ป.ท.Nawakan Kamphaeng และ Sunti Tirapat. 2000. The relation between corporate diversification and managerial equity ownership in Thailand. ม.ป.ท.:Chulalongkorn University;Nawakan Kamphaeng และ Sunti Tirapat. The relation between corporate diversification and managerial equity ownership in Thailand. ม.ป.ท.:Chulalongkorn University, 2000. Print.