1271
1484
1685
1156
1594
1082
1607
1713
1035
1328
1620
1400
1223
1441
1356
1391
1266
1209
1604
1201
1543
1616
1464
1474
1772
1896
1336
1940
1235
1158
1385
1219
1424
1601
1796
1226
1086
1489
1169
1049
1764
1332
1240
1660
1653
1067
1367
1689
1716
1820
1092
1850
1887
1729
1301
1997
1723
1165
1601
1440
1644
1292
1795
1803
1271
1021
1667
1542
1210
1610
1047
1576
1936
1735
1566
1790
1682
1219
1063
1987
1644
1697
1881
1865
1509
1602
1081
1327
1918
1553
1237
1693
1425
1395
1935
1822
1391
1890
1758
https://ulib.bcnpb.ac.th/ulib6search.usisassist.php?fromrefcode=&keyword=%20H.C.%20Jeffrey%20R.M.%20Leachมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)