Sulastri, P., and L. Zanthy. “Koneksi Matematik Siswa SMP Melalui Pendekatan Contextual Teaching and Learning Melalui Model Kooperatif Tipe Think Pair Share”. Journal on Education, Vol. 1, no. 3, Apr. 2019, pp. 525-33, doi:10.31004/joe.v1i3.199.