1918
1335
1952
1267
1710
1038
1804
1789
1644
1583
1888
1885
1117
1621
1149
1842
1745
1260
1173
1823
1358
1329
1786
1415
1780
1546
1352
1986
1871
1840
1785
1088
1859
1226
1877
1915
1910
1396
1361
1124
1810
1808
1101
1632
1399
1994
1152
1713
1430
1041
1989
1541
1200
1594
1750
1702
1389
1721
1303
1463
1824
1886
1538
1986
1538
1274
1985
1426
1753
1746
1739
1061
1959
1620
1135
1964
1539
1935
1447
1045
1948
1513
1135
1116
1959
1391
1310
1826
1235
1531
1528
1329
1343
1145
1183
1776
1510
1062
1227
http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20Human%20beings%20Effect%20environment%20Textbooksมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)