2023. 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. 10, 2 (Dec. 2023), 274–284. DOI:https://doi.org/10.29407/e.v10i2.20920.