Kotchakorn Boontiam. (1991) Expressives in Northern Khmer. Mahidol University,:ม.ป.ท. 10.14457/MU.the.1991.103
Kotchakorn Boontiam. 1991. Expressives in Northern Khmer. ม.ป.ท.:Mahidol University,; 10.14457/MU.the.1991.103
Kotchakorn Boontiam. Expressives in Northern Khmer. ม.ป.ท.:Mahidol University, 1991. Print. 10.14457/MU.the.1991.103