1995
1755
1632
1890
1512
1611
1239
1541
1768
1037
1590
1015
1921
1795
1398
1547
1010
1745
1749
1088
1139
1530
1747
1271
1641
1678
1099
1667
1721
1280
1404
1511
1128
1057
1890
1138
1846
1409
1740
1106
1990
1612
1478
1107
1741
1318
1213
1559
1084
1219
1762
1004
1025
1199
1092
1146
1089
1170
1036
1767
1666
1923
1914
1221
1097
1973
1797
1467
1389
1588
1971
1565
1491
1628
1012
1306
1478
1557
1710
1390
1218
1667
1339
1837
1801
1211
1158
1832
1510
1177
1854
1201
1712
1724
1537
1228
1475
1770
1029
http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20University%20Teaching%20Focusมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)