qoini, anisa zatun nitha, naura anandia . ghatsa, silvia nuril . mala, susia . utami, and wulan . puspita. “THE EFFECT OF STAIRCASE MEDIA ON UNDERSTANDING THE CONCEPT OF LENGTH MEASUREMENT IN ELEMENTARY SCHOOL”. Journal of Pedagogical Content Knowledge, vol. 1, no. 2, Oct. 2025, pp. 69-74, doi:10.23960/jpck.v1i2.1188.