1944 1717 1957 1295 1985 1026 1743 1800 1680 1440 1020 1396 1541 1176 1941 1597 1086 1283 1341 1204 1891 1030 1288 1204 1096 1927 1171 1746 1471 1810 1504 1295 1719 1633 1157 1386 1068 1682 1245 1323 1530 1459 1573 1413 1127 1455 1629 1222 1328 1409 1693 1534 1210 1116 1101 1799 1689 1333 1463 1306 1970 1221 1512 1948 1298 1326 1150 1752 1076 1818 1308 1811 1874 1259 1890 1926 1327 1458 1590 1679 1761 1880 1866 1272 1500 1120 1706 1805 1074 1916 1629 1824 1989 1795 1687 1467 1478 1358 1979 http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20effective%20seriesมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)