Tonboot, Sila, 		Sooknak, Kanchit, 		Chiangchaisakulthai, Kwanpracha, AND 		Pannarunothai, Supasit.
" The Effect of Additional Payment for Health Workers  on Case Mix Index in Thailand: Panel Data Analysis" <em>Journal of Community Development Research (Humanities and Social Sciences)</em> [Online], Volume 11 Number 2 (14 June 2018)