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<xml><bibliography><APA>วลัยลักษณ์ อัตธีรวงศ์. (2012) Hybrid model for calculation transportation productivity for ready mixed concrete business. Faculty of Science King Mongkut's Institute of Technology Ladkrabang:ม.ป.ท.</APA><Chicago>วลัยลักษณ์ อัตธีรวงศ์. 2012. Hybrid model for calculation transportation productivity for ready mixed concrete business. ม.ป.ท.:Faculty of Science King Mongkut's Institute of Technology Ladkrabang;</Chicago><MLA>วลัยลักษณ์ อัตธีรวงศ์.  Hybrid model for calculation transportation productivity for ready mixed concrete business.  ม.ป.ท.:Faculty of Science King Mongkut's Institute of Technology Ladkrabang, 2012. Print.</MLA></bibliography></xml>
