Ni Komang Ciska, Gede Suweken, and I Gusti Putu Sudiarta, “DEVELOPMENT OF SCRATCH-BASED E-MODULES ON VALUABLE COMPARISON MATERIALS TO IMPROVE THE UNDERSTANDING OF MATHEMATICS CONCEPTS OF GRADE VIII JUNIOR HIGH SCHOOL STUDENTS”, SJIIPS, vol. 15, no. 2, pp. 2313–2321, Jun. 2026.