1541
1214
1786
1416
1629
1259
1508
1781
1847
1314
1107
1149
1576
1203
1014
1959
1081
1689
1373
1634
1866
1133
1331
1043
1981
1665
1680
1853
1331
1128
1182
1902
1259
1131
1697
1636
1658
1936
1684
1167
1336
1753
1647
1271
1661
1323
1486
1106
1816
1378
1002
1074
1783
1649
1989
1130
1649
1340
1487
1272
1009
1991
1822
1241
1335
1149
1633
1997
1234
1882
1461
1547
1895
1404
1498
1529
1272
1003
1617
1731
1863
1288
1105
1911
1930
1561
1804
1499
1995
1079
1579
2000
1129
1946
1247
1699
1558
1605
1271
http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20H.F.%20Conn...[et%20al.]มีปัญหาในการเชื่อมต่อ/Connection Problems (open url)