Leardphadungchai C, Poonsawat J. Effect of the Yoga on Flexibility of the Back Part of Body of Female Students. kasetsart J. Soc. Sci. [internet]. 2007 Apr. 30 [cited 2026 Sep. 12];28(1):36-42. available from: https://so04.tci-thaijo.org/index.php/kjss/article/view/246421