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<xml><bibliography><APA>Kaewkwan Tangtipongkul. (2016) Income Elasticity for Medical Care Services: An Empirical Study in Thailand. &lt;i&gt;Thammasat Review of Economic and Social Policy&lt;/i&gt;, &lt;i&gt;2&lt;/i&gt;(1), 76 - 123.</APA><Chicago>Kaewkwan Tangtipongkul. "Income Elasticity for Medical Care Services: An Empirical Study in Thailand". Thammasat Review of Economic and Social Policy  2 (2016):76 - 123.</Chicago><MLA>Kaewkwan Tangtipongkul. Income Elasticity for Medical Care Services: An Empirical Study in Thailand. Thammasat University:ม.ป.ท. 2016.</MLA></bibliography></xml>
