Efriani, A., Zulkardi, R. I. I. Putri, and N. Aisyah. “Developing a Learning Environment Based on Science, Technology, Engineering, and Mathematics for Pre-Service Teachers of Early Childhood Teacher Education”. Journal on Mathematics Education, vol. 14, no. 4, Aug. 2023, pp. 647-62, doi:10.22342/jme.v14i4.pp647-662.