Laddawun Sununliganon และผู้แต่งคนอื่นๆ. (2021) Stress of the 5th year dental student during pandemic spread of virus Covid-19 in Thailand. Rangsit University:ม.ป.ท.Laddawun Sununliganon และผู้แต่งคนอื่นๆ. 2021. Stress of the 5th year dental student during pandemic spread of virus Covid-19 in Thailand. ม.ป.ท.:Rangsit University;Laddawun Sununliganon และผู้แต่งคนอื่นๆ. Stress of the 5th year dental student during pandemic spread of virus Covid-19 in Thailand. ม.ป.ท.:Rangsit University, 2021. Print.