วัฒนวงศ์ ว. A STUDY ON A CALCULATION SKILL – ADDITION – AND HAPPINESS OF PRATHOMSUKSA FOUR STUDENTS WITH DIFFERENT INTELLIGENCE QUOTIENT USING MATHEMATICS GAMES AND EXERCISES. SWRD. J. Humanit. Soc. Sci. [internet]. 2015 Jan. 9 [cited 2026 Sep. 11];6(11, January-June):163-74. available from: https://so04.tci-thaijo.org/index.php/swurd/article/view/28429