Sa’diyah, U., M. Suradji, S. Tamaji, and N. Fauziyah. “The Effect of Implementing Project Based Learning Assisted by Manipulative Learning Media on Elementary School Students Understanding”. AJER: Advanced Journal of Education and Religion, Vol. 1, no. 1, Jan. 2024, pp. 53-61, doi:https://doi.org/10.52166/ajer.v1i1.5548.