Rahmawati, Indi, and Safran Safran. “The Effect of Couple Card Media on Elementary School Students’ Science Learning Outcomes in Class IV MIN 8 Medan City”. Prisma Sains : Jurnal Pengkajian Ilmu Dan Pembelajaran Matematika Dan IPA IKIP Mataram, vol. 11, no. 3, July 2023, pp. 881-9, doi:10.33394/j-ps.v11i3.8455.