1284 1078 1384 1854 1956 1012 1975 1401 1690 1635 1947 1533 1791 1585 1256 1060 1573 1387 1872 1280 1916 1015 1861 1467 1678 1613 1446 1569 1823 1018 1997 1619 1217 1527 1245 1916 1099 1051 1348 1512 1621 1651 1271 1304 1374 1173 1401 1941 1797 1708 1275 1203 1554 1335 1775 1928 1972 1462 1798 1337 1088 1543 1302 1109 1952 1142 1439 1601 1601 1895 1782 1771 1400 1996 2000 1370 1844 1578 1397 1244 1503 1574 1733 1937 1109 1709 1654 1645 1713 1253 1974 1800 1536 1962 1063 1281 1593 1510 1029 http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20โควิด%2019มีปัญหาในการเชื่อมต่อ/Connection Problems (open url)