มหาวิทยาลัยมหิดล2020-03-122020-03-122020-03-122020https://repository.li.mahidol.ac.th/handle/20.500.14594/52802engMahidol UniversityMid term attendancePrecaution measuresCOVID-19Coronavirus diseaseMidterm exam attendance guidelines for students based on safety and precaution measures to prevent COVID-19 (Academic year 2/ 2019)Image