Kongmebhol A. Relationships between Principles of Gems Classification in Bhoja’s Yuktikalpataru and Ayurvedic Principles . J. Lett. [internet]. 2022 Dec. 29 [cited 2026 Oct. 13];51(2):159-86. available from: https://so03.tci-thaijo.org/index.php/jletters/article/view/259132