1343
1019
1561
1427
1496
1113
1566
1098
1967
1746
1491
1905
1889
1963
1012
1239
1221
1566
1514
1708
1277
1578
1569
1097
1240
1026
1496
1013
1915
1485
1355
1282
1982
1359
1842
1506
1889
1963
1760
1994
1904
1731
1952
1785
1721
1794
1994
1653
1924
1471
1079
1885
1059
1426
1907
1819
1439
1210
1294
1257
1263
1092
1125
1231
1758
1815
1679
1806
1547
1558
1651
1264
1926
1480
1469
1236
1788
1990
1073
1963
1923
1669
1478
1340
1706
1479
1274
1446
1217
1421
1664
1418
1987
1364
1628
1892
1104
1152
1034
http://library.bcnpb.ac.th/ulib6search.usisassist.php?fromrefcode=&keyword=%20Gregory%20J.%20Welkมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)