1624 1771 1438 1762 1939 1561 1498 1672 1360 1894 1708 1816 1867 1437 1995 1619 1290 1280 1943 1717 1507 1815 1807 1786 1137 1048 1975 1742 1418 1778 1504 1031 1787 1522 1353 1610 1516 1864 1912 1489 1328 1895 1402 1143 1816 1233 1318 1113 1576 1834 1873 1788 1868 1713 1302 1830 1739 1933 1361 1962 1998 1497 1459 1421 1244 1964 1698 1507 1403 1346 1421 1335 1900 1300 1344 1437 1457 1659 1544 1951 1335 1906 1665 1599 1632 1773 1120 1212 1376 1280 1776 1063 1651 1147 1802 1983 1010 1169 1300 http://library.phcsuphan.ac.th/search.usisassist.php?fromrefcode=&keyword=%20Ritzer%20Georgeมีปัญหาในการเชื่อมต่อ/Connection Problems (open url)