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 [Internet]. 2023 Dec. 3 [cited 2025 Apr. 3];10(2):274-8. Available from: https://ojs.unpkediri.ac.id/index.php/efektor-e/article/view/20920