期刊名：<b>Portafolio</b>/issn: <button onclick='javascrip:history. back()'>返回列表</button><br><table><tr bgcolor=#009a31><td>收入的数据库</td><td>查看文献题录（留空直达期刊首页）</td><td>收入起止年份</td></tr><tr><td>ProQuest Central</a></td><td><form method=post action=jlist.php target=_blank><input type=hidden name=action value=articlelink><input type=hidden name=avid value=142262><input type=hidden name=jid value=105980>卷号:<INPUT name=jvolume  size=4>,首页页码:<INPUT name=spage size=4><input type=submit value='查看期刊原文'></form></td><td> Available from 2005/03/21 until (and including) 2018/02/28 </td></tr><tr><td colspan=3 bgcolor=#009a31 height=2></td></tr><tr><td>ProQuest Central</a></td><td><form method=post action=jlist.php target=_blank><input type=hidden name=action value=articlelink><input type=hidden name=avid value=142263><input type=hidden name=jid value=105980>卷号:<INPUT name=jvolume  size=4>,首页页码:<INPUT name=spage size=4><input type=submit value='查看期刊原文'></form></td><td> Available from 2018/03/01 </td></tr><tr><td colspan=3 bgcolor=#009a31 height=2></td></tr><tr><td>Business Premium Collection</a></td><td><form method=post action=jlist.php target=_blank><input type=hidden name=action value=articlelink><input type=hidden name=avid value=142261><input type=hidden name=jid value=105980>卷号:<INPUT name=jvolume  size=4>,首页页码:<INPUT name=spage size=4><input type=submit value='查看期刊原文'></form></td><td> Available from 2005/03/21 until (and including) 2018/02/28 </td></tr><tr><td colspan=3 bgcolor=#009a31 height=2></td></tr></table>