1611
1390
1055
1305
1600
1213
1702
1853
1309
1234
1908
1649
1105
1359
1261
1361
1273
1035
1243
1086
1636
1065
1631
1815
1170
1520
1113
1989
1857
1856
1761
1991
1968
1361
1367
1053
1748
1340
1036
1320
1204
1286
1008
1537
1622
1983
1608
1416
2000
1785
1225
1369
1957
1352
1864
1201
1512
1386
1762
1386
1314
1767
1342
1498
1962
1708
1121
1160
1786
1071
1184
1717
1760
1217
1025
1907
1973
1262
1858
1656
1042
1004
1439
1242
1677
1874
1587
1558
1694
1869
1380
1059
1449
1667
1080
1124
1686
1287
1294
http://library.bcnpb.ac.th/ulib6search.usisassist.php?fromrefcode=&keyword=%20Schafferมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)