Malini, Ulfa, Heldanita Heldanita, Salmiah Salmiah, Zetri Rahmat, Siti Salina bt Samaun, Farida Royahani, and Yossy Irawan. 2026. “Stimulation of Children’s Cognitive: Development of Ulok Tangga Tolu Media Dimensions Based on Batak Culture”. Aulad: Journal on Early Childhood 9 (1):182-92. https://doi.org/10.31004/aulad.v9i1.1487.