Pornuma Khunsavate และ Kanis Saengchote. (2016) Identifying synergy in vertical merger and acquisition : the synthetic firm method. Chulalongkorn University:ม.ป.ท.Pornuma Khunsavate และ Kanis Saengchote. 2016. Identifying synergy in vertical merger and acquisition : the synthetic firm method. ม.ป.ท.:Chulalongkorn University;Pornuma Khunsavate และ Kanis Saengchote. Identifying synergy in vertical merger and acquisition : the synthetic firm method. ม.ป.ท.:Chulalongkorn University, 2016. Print.