Ratchanee Piwpong และ Supaporn Kongprom; Nantaka Suksumitr; Vanida Durongrittichai. (2020) Factors Predicting Length of Hospital Stay among Patients with Open-Heart Surgery. <i>Naresuan University Journal: Science and Technology</i>, <i>28</i>(4), 21-28.Ratchanee Piwpong และ Supaporn Kongprom; Nantaka Suksumitr; Vanida Durongrittichai. "Factors Predicting Length of Hospital Stay among Patients with Open-Heart Surgery". Naresuan University Journal: Science and Technology 28 (2020):21-28.Ratchanee Piwpong และ Supaporn Kongprom; Nantaka Suksumitr; Vanida Durongrittichai. Factors Predicting Length of Hospital Stay among Patients with Open-Heart Surgery. Naresuan University Graduate School:ม.ป.ท. 2020.