Br Sinuhaji, J. L., Ngurah Pujawan, I. G. . and Parwati, N. N. . (2026) “Optimalisasi Pemahaman Konsep Geometri Bangun Datar Pada Siswa SMP Melalui Implementasi E-Modul Flipbook Bermuatan Masalah Kontektual: Tinjauan Sistematis: Optimization of Flat Shape Geometry Concept Understanding in Junior High School Students through the Implementation of Contextual Problem-Filled Flipbook E-Module: A Systematic Review”, Citizen : Jurnal Ilmiah Multidisiplin Indonesia, 6(2), pp. 379–389. doi: 10.53866/jimi.v6i2.1303.