Santoso, B., and G. Gunawan. “Development of an EGMA-Based E-Booklet Numeracy Assessment Instrument for Phase B Students in Elementary School”. Edusoshum : Journal of Islamic Education and Social Humanities, vol. 6, no. 2, Aug. 2026, pp. 1455-68, doi:10.52366/edusoshum.v6i2.588.