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<xml><bibliography><APA>Todd Campbell และ Thomas J. McKenna. (2016) Important Developments in STEM Education in the United States: Next Generation Science Standards and Classroom Representations of Localized Scientific Activity. &lt;i&gt;K-12 STEM Education&lt;/i&gt;, &lt;i&gt;2&lt;/i&gt;(4 (October-December)), 91-97.</APA><Chicago>Todd Campbell และ Thomas J. McKenna. "Important Developments in STEM Education in the United States: Next Generation Science Standards and Classroom Representations of Localized Scientific Activity". K-12 STEM Education  2 (2016):91-97.</Chicago><MLA>Todd Campbell และ Thomas J. McKenna. Important Developments in STEM Education in the United States: Next Generation Science Standards and Classroom Representations of Localized Scientific Activity. The Institute for the Promotion of Teaching Science and Technology (IPST), Ministry of Education:ม.ป.ท. 2016.</MLA></bibliography></xml>
