1150
1253
1530
1566
1631
1528
1892
1669
1896
1932
1409
1095
1523
1363
1017
1459
1597
1321
1340
1413
1714
1102
1257
1869
1610
1217
1185
1245
1118
1570
1618
1304
1743
1342
1512
1052
1696
1831
1927
1107
1500
1554
1639
1394
1409
1893
1995
1243
1822
1819
1340
1559
1026
1991
1088
1489
1423
1274
1844
1818
1633
1280
1906
1363
1109
1060
1053
1486
1007
1032
1575
1685
1565
1058
1627
1661
1586
1886
1465
1219
1431
1023
1899
1565
1987
1003
1119
1558
1646
1093
1493
1532
1696
1571
1667
1735
1070
1584
1268
http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20Geographic%20information%20systemsมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)