SAVERA OPING, Sonia; JULIANA MARGARETA SUMILAT; KARTINI ESTER. Development of A Diagnostic Assessment Instrument For Mathematics Learning For Grade II Elementary School. International Journal of Educational Research & Social Sciences , [S. l.], v. 7, n. 5, p. 882–890, 2026. DOI: 10.51601/ijersc.v7i5.1134. Disponível em: https://ijersc.org/index.php/go/article/view/1134. Acesso em: 4 nov. 2026.