1514 1880 1711 1107 1816 1669 1359 1023 1881 1685 1516 1522 1015 1928 1605 1569 1600 1463 1266 1406 1205 1038 1515 1848 1858 1424 1607 1273 1240 1186 1831 1965 1203 1742 1999 1550 1222 1768 1651 1132 1148 1883 1502 1377 1356 1588 1318 1619 1982 1991 1508 1182 1129 1468 1566 1289 1156 1469 1327 1401 1410 1872 1543 1250 1851 1504 1781 1090 1637 1691 1159 1917 1151 1975 1233 1163 1366 1373 1526 1433 1864 1736 1623 1555 1385 1462 1225 1860 1766 1856 1210 1644 1053 1485 1639 1956 1854 1146 1518 http://library.bcnpb.ac.th/ulib6search.usisassist.php?fromrefcode=&keyword=%20Robert%20S.%20Hoffman,%20Lewis%20Goldfrankมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)