<a href="http://www.pridi-phoonsuk.org/pridi-by-pridi/">http://www.pridi-phoonsuk.org/pridi-by-pridi/</a><br><br>Whole Book<br><a href="http://www.openbase.in.th/files/pridibook49.pdf">http://www.openbase.in.th/files/pridibook49.pdf</a><br>
<br><br>Phyo Win Latt<br>