1597 1785 1520 1144 1224 1580 1366 1943 1940 1275 1834 1259 1156 1594 1119 1797 1081 1051 1327 1061 1851 1463 1449 1571 1165 1205 1170 1856 1832 1449 1754 1666 1827 1436 1914 1706 1139 1981 1574 1978 1398 1738 1647 1896 1042 1428 1590 1631 1812 1569 1564 1490 1443 1290 1022 1757 1450 1990 1088 1574 1229 1927 1096 1234 1624 1635 1078 1890 1595 1539 1448 1038 1791 1994 1913 1009 1570 1961 1493 1576 1999 1303 1334 1599 1373 1547 1433 1718 1614 1102 1279 1669 1047 1516 1824 1656 1301 1900 1152 http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20Research%20Statistical%20methodsมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)