1953 1162 1274 1055 1354 1129 1522 1145 1426 1566 1052 1492 1901 1655 1920 1625 1363 1668 1211 1738 1553 1501 1597 1510 1025 1750 1439 1205 1916 1330 1823 1708 1744 1823 1097 1520 1427 1726 1668 1048 1311 1773 1039 1090 1837 1790 1376 1845 1873 1073 1228 1621 1615 1680 1581 1978 1526 1642 1727 1521 1152 1222 1809 1648 1736 1652 1315 1619 1618 1213 1026 1090 1941 1119 1465 1230 1953 1145 1521 1443 1515 1219 1366 1761 1136 1182 1164 1717 1005 1772 1477 1087 1455 1190 1026 1231 1728 1371 1289 https://ulib.bcnpb.ac.th/ulib6search.usisassist.php?fromrefcode=&keyword=%20Algebra-Textbooks.มีปัญหาในการเชื่อมต่อ/Connection Problems (open url)