Panupong Phiwon และ Waressara Weerawat. (2014) Improvement for human specimen shipment. Mahidol University:ม.ป.ท.Panupong Phiwon และ Waressara Weerawat. 2014. Improvement for human specimen shipment. ม.ป.ท.:Mahidol University;Panupong Phiwon และ Waressara Weerawat. Improvement for human specimen shipment. ม.ป.ท.:Mahidol University, 2014. Print.