<?xml version="1.0" encoding="UTF-8"?>
<xml><bibliography><APA>Yager และ Robert E. (2015) STEM: A Focus for Current Science Education Reforms. &lt;i&gt;K-12 STEM Education&lt;/i&gt;, &lt;i&gt;1&lt;/i&gt;(1 (January-March)), 1-4.</APA><Chicago>Yager และ Robert E. "STEM: A Focus for Current Science Education Reforms". K-12 STEM Education  1 (2015):1-4.</Chicago><MLA>Yager และ Robert E. STEM: A Focus for Current Science Education Reforms. The Institute for the Promotion of Teaching Science and Technology (IPST), Ministry of Education:ม.ป.ท. 2015.</MLA></bibliography></xml>
