</td>
      <td>0.495030</td>
      <td></td>
      <td><a href="Topic_05.html#94iieejz">Dai_L_2018</a>, <a href="Topic_05.html#kllv27bl">Zhang_2010</a>, <a href="Topic_05.html#thlsd8pp">Ng_A_2018</a></td>
    </tr>
    <tr>
      <th id="si2ewzkb";>19</th>
      <td>Pirie_2006</td>
      <td>‘Africanisation’ of South Africa’s international air links, 1994–2003</td>
      <td>Pirie, Gordon</td>
      <td>2006</td>
      <td>2006-01-31</td>
      <td>PMC</td>
      <td>N</td>
      <td><a href="https