Analisis Validasi Dan Kepraktisan Pengembangan Media Pembelajaran Papan Pecahan Pada Siswa Kelas 2 Sekolah Dasar Kecamatan Semen: Analysis of Validation and Practicality of Fraction Board Learning Media Development for Grade 2 Elementary School Students in Semen District. Efektor 2023, 10 (2), 274-284. https://doi.org/10.29407/e.v10i2.20920.