1920 1885 1755 1745 1227 1750 1824 1143 1002 1012 1176 1414 1262 1888 1791 1156 1490 1206 1956 1963 1184 1548 1284 1273 1312 1571 1189 1143 1089 1936 1781 1591 1132 1515 1748 1270 1190 1942 1510 1761 1500 1310 1317 1141 1486 1286 1168 1537 1675 1389 1529 1355 1477 1193 1511 1810 1285 1701 1574 1008 1920 1326 1172 1390 1915 1269 1437 1163 1921 1902 1309 1443 1831 1196 1987 1464 1499 1996 1653 1517 1163 1011 1410 1516 1531 1762 1129 1435 1349 1364 1836 1242 1619 1005 1623 1840 1309 1388 1026 http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20Beringer%20Paul%20...%20[et%20al.]มีปัญหาในการเชื่อมต่อ/Connection Problems (open url)