“ Literacy and Numerical Competencies of Class IV Students on Energy Source Materials”. Buana Pendidikan: Jurnal Fakultas Keguruan dan Ilmu Pendidikan Unipa Surabaya 18, no. 1 (January 4, 2022): 10–17. Accessed June 23, 2026. https://jurnal.unipasby.ac.id/jurnal_buana_pendidikan/article/view/4799.