Handayani, S., W. Sukartiningsih, and R. Hasibuan. “Model Collaborative Learning Melalui Permainan Rolling Marbles Terhadap Kemampuan Kognitif Dan Motorik Halus Anak”. Aulad: Journal on Early Childhood, vol. 7, no. 2, July 2024, pp. 509-16, doi:10.31004/aulad.v7i2.721.