1446 1465 1898 1569 1887 1086 1749 1307 1830 1636 1800 1003 1333 1873 1698 1585 1519 1888 1768 1032 1138 1495 1564 1825 1645 1808 1023 1699 1276 1635 1616 1117 1269 1552 1462 1692 1703 1487 1989 1660 1772 1078 1278 1152 1348 1528 1006 1100 1651 1312 1236 1713 1191 1205 1511 1814 1333 1078 1669 1165 1017 1983 1339 1299 1734 1103 1616 1910 1015 1988 1981 1809 1693 1925 1118 1378 1783 1159 1443 1113 1069 1147 1032 1493 1171 1574 1281 1465 1270 1335 1479 1524 1074 1385 1140 1694 1715 1895 1898 http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20Grauer,%20Robert%20T.,%201945-มีปัญหาในการเชื่อมต่อ/Connection Problems (open url)