Handayani, R., R. C. I. Prahmana, and F. Marian. “Development of Mathematical Student Work Sheet (LKPD) Based on PMRI in Square and Triangle Matherials for Grade VII Junior High School:”. THETA: Jurnal Pendidikan Matematika, vol. 5, no. 2, Oct. 2023, pp. 44-47, doi:10.35747/t.v5i2.773.