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<xml><bibliography><APA>Pornthep Panyakaew และ Pamjit Damrongkulkamjorn. (2013) Optimal operations in mixed pool-bilateral electricity markets with step bidding cost function by hybrid computational method. Kasetsart University:ม.ป.ท.</APA><Chicago>Pornthep Panyakaew และ Pamjit Damrongkulkamjorn. 2013. Optimal operations in mixed pool-bilateral electricity markets with step bidding cost function by hybrid computational method. ม.ป.ท.:Kasetsart University;</Chicago><MLA>Pornthep Panyakaew และ Pamjit Damrongkulkamjorn.  Optimal operations in mixed pool-bilateral electricity markets with step bidding cost function by hybrid computational method.  ม.ป.ท.:Kasetsart University, 2013. Print.</MLA></bibliography></xml>
