1741 1677 1453 1561 1579 1701 1125 1995 1974 1227 1601 1892 1674 1114 1442 1636 1476 1281 1591 1766 1125 1383 1620 1290 1807 1280 1609 1554 1571 1069 1925 1195 1018 1329 1320 1779 1561 1697 1539 1774 1504 1754 1225 1396 1976 1810 1170 1300 1483 1797 1725 1249 1738 1465 1933 1623 1292 1550 1685 1315 1411 1561 1130 1769 1491 1416 1142 1500 1612 1157 1203 1981 1158 1014 1476 1505 1455 1468 1927 1198 1804 1633 1280 1827 1097 1436 1765 1798 1948 1768 1142 1311 1337 1181 1016 1682 1996 1767 1447 http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20Natural%20resources%20Managementมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)