Kholil, Mohammad, and Eric Dwi Putra. “Kemampuan Komunikasi Matematis Siswa Dalam Menyelesaikan Soal PISA Konten Space And Shape”. Indonesian Journal of Mathematics and Natural Science Education, vol. 1, no. 1, Dec. 2019, pp. 53-64, doi:10.35719/mass.v1i1.6.