Marsitin, R., Y. Elmantoro, and D. A. Susilo. “nalisis esalahan iswa ada oal erita atematika alam embelajaran issouri athematic roject”. AINSTEK urnal erapan ains & eknologi, vol. 6, no. 2, June 2024, pp. 106-14, doi:10.21067/jtst.v6i2.10187.