Jaratjarungkiat, Sureenate. 2019. “The Word /Pen/ Meaning ‘to be alive’ and ‘to know how to do’ in Thai: Polysemy or Homonymy?”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences 36 (4):90-102. https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/188410.