แหล่งที่มา WikiPedia: ปยะตะ https://doi.org/10.2307%2F989143 https://www.jstor.org/stable/989143 https://search.proquest.com/docview/1307834694 https://books.google.com/books?id=Vx3rAAAAMAAJ https://archive.org/details/burmaunderbritis01nisb https://commons.wikimedia.org/wiki/Category:Pyatth...
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