Anupan, P., Aphipanyo, P.S. and Wormoklalo, P.M. 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 (Aug. 2023), 670–680.