Pornpen Thippayana และ Aekkachai Nittayagasetwat. (2014) Capital structures of listed firms in ASEAN. National Institute of Development Administration:ม.ป.ท.Pornpen Thippayana และ Aekkachai Nittayagasetwat. 2014. Capital structures of listed firms in ASEAN. ม.ป.ท.:National Institute of Development Administration;Pornpen Thippayana และ Aekkachai Nittayagasetwat. Capital structures of listed firms in ASEAN. ม.ป.ท.:National Institute of Development Administration, 2014. Print.