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<xml><bibliography><APA>Lukǭ. (2017) Theoretical approach to determination of acoustic properties of building materials. ISEC PRESS:ม.ป.ท.</APA><Chicago>Lukǭ. 2017. Theoretical approach to determination of acoustic properties of building materials. ม.ป.ท.:ISEC PRESS;</Chicago><MLA>Lukǭ.  Theoretical approach to determination of acoustic properties of building materials.  ม.ป.ท.:ISEC PRESS, 2017. Print.</MLA></bibliography></xml>
