30 Years of TEFLIN Journal Supplementary Materials

<p><strong>Supplementary materials for 30 Years of TEFLIN Journals.&nbsp;</strong></p> <p>The materials consist of&nbsp;</p> <ol> <li>Results of Bibliometric Analysis of TEFLIN Journal in the Four Aacademic Search Engines along with Abstract and Citation Databases (Publish or Perish software;</li> <li>Results of Bibliometric Analysis of TEFLIN Journal in Microsoft Academic (1990-2019) (Publlish or Perish software);</li> <li>Criteria of Bibliometric Analysis in VOSviewer (VOSviewer);</li> <li>Co-authorship Analyis of Authors&nbsp;(VOSviewer);</li> <li>Co-authorship Analyis of Organizations&nbsp;(VOSviewer);</li> <li>Co-occurence of Fields of Study&nbsp;(VOSviewer);</li> <li>Citations of Documents&nbsp;&nbsp;(VOSviewer);</li> <li>Citations of Authors&nbsp;(VOSviewer);</li> <li>Citations of Organizations&nbsp;&nbsp;(VOSviewer);</li> <li>Bibliographic Coupling of Documents&nbsp;(VOSviewer);</li> <li>Bibliographic Coupling of Authors&nbsp;(VOSviewer);</li> <li>Bibliographic Coupling of Organizations&nbsp;(VOSviewer).</li> </ol> <p>Two pieces of free software used in the bibliometric analyses are&nbsp;Publish or Perish&nbsp;(Harzing, 2007) and&nbsp;VOSviewer (Eck &amp; Waltman, 2020).&nbsp;</p> <p>&nbsp;</p>