1648 1643 1925 1262 1193 1123 1098 1754 1048 1617 1967 1720 1515 1675 1035 1514 1480 1015 1289 1606 1316 1766 1456 1070 1541 1332 1456 1617 1186 1181 1912 1906 1852 1795 1198 1622 1130 1931 1908 1090 1689 1957 1474 1116 1865 1882 1992 1166 1708 1983 1363 1421 1993 1079 1352 1348 1591 1186 1878 1725 1599 1518 1393 1433 1646 1006 1020 1502 1780 1914 1750 1172 1567 1406 1660 1186 1737 1849 1389 1230 1698 1044 1665 1732 1127 1576 1908 1218 1106 1920 1755 1025 1811 1621 1157 1234 1088 1574 1826 https://ulib.bcnpb.ac.th/ulib6search.usisassist.php?fromrefcode=&keyword=%20John%20DeFrain.มีปัญหาในการเชื่อมต่อ/Connection Problems (open url)