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<xml><bibliography><APA>Mookrawee Bunyalug และ Naowarat Kanchanakhan. (2017) Effect of Using Smartphone before Bed on Sleep Quality among Undergraduate Students at Chulalongkorn University, Thailand. &lt;i&gt;Journal of Health Research&lt;/i&gt;, &lt;i&gt;31&lt;/i&gt;(Suppl.2), s225.</APA><Chicago>Mookrawee Bunyalug และ Naowarat Kanchanakhan. "Effect of Using Smartphone before Bed on Sleep Quality among Undergraduate Students at Chulalongkorn University, Thailand". Journal of Health Research  31 (2017):s225.</Chicago><MLA>Mookrawee Bunyalug และ Naowarat Kanchanakhan. Effect of Using Smartphone before Bed on Sleep Quality among Undergraduate Students at Chulalongkorn University, Thailand. Chulalongkorn University Press:ม.ป.ท. 2017.</MLA></bibliography></xml>
