Hasan, Saiful, et al. “Developing Early Childhood Imagination Skills through Collage Activities Using Natural Materials: Evidence from TK PKK Melati, Probolinggo Regency, Indonesia”. JCE (Journal of Childhood Education), vol. 10, no. 1, June 2026, pp. 82-91, https://doi.org/10.30736/jce.v10i1.2846.