Orasa Kovindha. 1997. The social security health insurance model in Pattani, Thailand : health status and patterns of utilization. Department of Community Health Sciences, University of Calgary;
Orasa Kovindha. (1997) The social security health insurance model in Pattani, Thailand : health status and patterns of utilization . University of Calgary/Alberta.
Orasa Kovindha. The social security health insurance model in Pattani, Thailand : health status and patterns of utilization. . Alberta:University of Calgary, 1997.
Orasa Kovindha. (1997) The social security health insurance model in Pattani, Thailand : health status and patterns of utilization . University of Calgary/Alberta.