1622
1621
1278
1533
1609
1839
1763
1137
1252
1051
1441
1118
1653
1360
1045
1084
1178
1115
1515
1338
1920
1202
1526
1299
1342
1093
1490
1193
1874
1630
1997
1588
1419
1631
1351
1057
1145
1954
1600
1451
1604
1727
1757
1236
1473
1550
1580
1645
1842
1933
1244
1464
1251
1061
1671
1794
1057
1368
1440
1444
1471
1383
1132
1050
1304
1166
1974
1939
1048
1075
1513
1994
1390
1384
1967
1743
1823
1489
1155
1930
1522
1009
1727
1720
1949
1493
1664
1031
1848
1884
1242
1252
1754
1020
1279
1369
1046
1296
1326
http://library.bcnpb.ac.th/ulib6search.usisassist.php?fromrefcode=&keyword=%20Robert%20A.%20Szymanski%20...%20[et%20al.].มีปัญหาในการเชื่อมต่อ/Connection Problems (open url)