Ismayanti, Devita, Lady Agustina, and Hana Puspita Eka Firdaus. 2025. “evelopment of umeracy of rade lementary chool tudents in PK and PB earning sing akota edia”. ournal of cience and ducation (JSE) 6 (1):1128-36. https://doi.org/10.58905/jse.v6i1.544.