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<xml><bibliography><APA>Papar Kananurak. (2014) Willingness to Pay for Voluntary Health Insurance after Retirement in Thailand. &lt;i&gt;NIDA Development Journal&lt;/i&gt;, &lt;i&gt;54&lt;/i&gt;(2), 117-157.</APA><Chicago>Papar Kananurak. "Willingness to Pay for Voluntary Health Insurance after Retirement in Thailand". NIDA Development Journal  54 (2014):117-157.</Chicago><MLA>Papar Kananurak. Willingness to Pay for Voluntary Health Insurance after Retirement in Thailand. National Institute of Development Administration:ม.ป.ท. 2014.</MLA></bibliography></xml>
