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<xml><bibliography><APA>Kanittha Pamonpol และ Natsima Tokhun. (2019) Heavy Metal Contamination at Highland Agricultural Soil at Dan Sai District, Loei Province, Thailand. &lt;i&gt;JOURNAL OF PUBLIC HEALTH AND DEVELOPMENT&lt;/i&gt;, &lt;i&gt;17&lt;/i&gt;(3), 13-22.</APA><Chicago>Kanittha Pamonpol และ Natsima Tokhun. "Heavy Metal Contamination at Highland Agricultural Soil at Dan Sai District, Loei Province, Thailand". JOURNAL OF PUBLIC HEALTH AND DEVELOPMENT  17 (2019):13-22.</Chicago><MLA>Kanittha Pamonpol และ Natsima Tokhun. Heavy Metal Contamination at Highland Agricultural Soil at Dan Sai District, Loei Province, Thailand. ASEAN Institute for Health Development, Mahidol University:ม.ป.ท. 2019.</MLA></bibliography></xml>
