farihatul Atikah, Nur Saidah and Eva Latipah (2026) “The Implementation of Piaget’s and Vygotsky’s Theories in Supporting the Cognitive Development of Children in Raudhatul Athfal (RA) and Kindergarten”, Yinyang: Jurnal Studi Islam Gender dan Anak, 21(1), pp. 54–62. doi: 10.24090/yinyang.v21i1.14104.