1855 1517 1328 1557 1606 1498 1440 1194 1140 1893 1240 1945 1676 1436 1302 1688 1368 1996 1161 1820 1124 1517 1865 1401 1094 1955 1957 1384 1637 1215 1853 1095 1107 1918 1643 1037 1055 1331 1265 1926 1026 1695 1780 1616 1901 1354 1734 1975 1541 1111 1629 1952 1703 1605 1015 1328 1410 1025 1102 1606 1473 1756 1410 1049 1622 1135 1308 1936 1370 1980 1069 1427 1331 1670 1093 1436 1235 1774 1923 1597 1983 1796 1819 1302 1271 1574 1589 1822 1452 1353 1767 1112 1983 1647 1709 1451 1976 1984 1979 http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20ดำรงค์%20ชลสุขมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)