จีนนุ่น พ, สมชนะกิจ ค, เต็มรัตนะกุล ธ. The Principles and The Teaching Device of The Virtue, Morality Appropriately for Youth in The Southern Literary Work “WANNAKAMTHAKSIN: WANNAKAMKUTSON”. parichartj [internet]. 2016 Jul. 29 [cited 2026 Sep. 12];29(1):58-83. available from: https://so05.tci-thaijo.org/index.php/parichartjournal/article/view/49533