Em-on Olanratmanee และผู้แต่งคนอื่นๆ. (2012) Effect of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) on reproductive performance of gilts and sows in PRRSV-positive herbs with special reference to vaccination and management strategies. Chulalongkorn University:ม.ป.ท.Em-on Olanratmanee และผู้แต่งคนอื่นๆ. 2012. Effect of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) on reproductive performance of gilts and sows in PRRSV-positive herbs with special reference to vaccination and management strategies. ม.ป.ท.:Chulalongkorn University;Em-on Olanratmanee และผู้แต่งคนอื่นๆ. Effect of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) on reproductive performance of gilts and sows in PRRSV-positive herbs with special reference to vaccination and management strategies. ม.ป.ท.:Chulalongkorn University, 2012. Print.