Mahadini, Najwa, Octavian Muning Sayekti, and Asih Mardati. 2025. “Written Mathematical Communication Skills in Solving Set Theory Problems: A Descriptive Study of Preservice Elementary Teachers”. Jurnal Penelitian Ilmu Pendidikan 18 (2). https://doi.org/10.21831/jpip.v18i2.92422.