“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” (2023) Efektor, 10(2), pp. 274–284. doi:10.29407/e.v10i2.20920.