Rittichai, Pornpat. “A Study of the Ability to Memorize Words during Deep Sleep in Kindergarten 3 Students of Huachiew School”. Suan Dusit Graduate School Academic Journal 22, no. 1 (February 28, 2026): 41–52. accessed August 29, 2026. https://so19.tci-thaijo.org/index.php/SDUGSAJ/article/view/1332.