1677 1707 1800 1845 1622 1006 1030 1186 1768 1127 1992 1384 1193 1854 1196 1460 1979 1649 1583 1681 1570 1479 1590 1381 1700 1233 1164 1631 1453 1613 1900 1523 1239 1656 1665 1027 1024 1836 1170 1971 1726 1562 1821 1248 1677 1923 1934 1453 1617 1996 1445 1516 1528 1083 1568 1569 1258 1183 1323 1353 1291 1576 1721 1398 1138 1618 1415 1053 1485 1642 1191 1346 1341 1529 1961 1665 1157 1477 1270 1215 1267 1993 1968 1625 1183 1505 1478 1826 1380 1484 1236 1593 1389 1272 1944 1068 1322 1893 1107 http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20Epidemics%20Economic%20aspectsมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)