Anupan, Pongsakorn, Phrapalad Soravit Aphipanyo, and Phrakhrupalad Maroot Wormoklalo. 2023. “The Development of Working Memory Abilities of Early Childhood Children With Learning Activities According to The Principle of Iddhipada: The Development of Working Memory Abilities of Early Childhood Children With Learning Activities According to The Principle of Iddhipada”. RATANABUTH JOURNAL 5 (2). Yasothon, Thailand:670-80. https://so07.tci-thaijo.org/index.php/rtnb/article/view/3415.