วัฒนวงศ์ ว. “A STUDY ON A CALCULATION SKILL – ADDITION – AND HAPPINESS OF PRATHOMSUKSA FOUR STUDENTS WITH DIFFERENT INTELLIGENCE QUOTIENT USING MATHEMATICS GAMES AND EXERCISES”. Srinakharinwirot Research and Development Journal of Humanities and Social Sciences, vol. 6, no. 11, January-June, Jan. 2015, pp. 163-74, https://so04.tci-thaijo.org/index.php/swurd/article/view/28429.