Chawarat Piyasil และ Manapol Ekkayokkaya. (2016) Value of cash during downturn. Chulalongkorn University:ม.ป.ท.Chawarat Piyasil และ Manapol Ekkayokkaya. 2016. Value of cash during downturn. ม.ป.ท.:Chulalongkorn University;Chawarat Piyasil และ Manapol Ekkayokkaya. Value of cash during downturn. ม.ป.ท.:Chulalongkorn University, 2016. Print.