2019. Penerapan Model Pembelajaran Kooperatif dengan Pendekatan Struktural Bersama Kepala Bernomor untuk Meningkatkan Pencapaian Kompetensi Matematika Siswa Kelas VIII/C SMP: Application of Cooperative Learning Model with Numbered Heads Together Structural Approach to Improve Achievement of Mathematicals Competence of Students in Class VIII/C SMP. Talenta Conference Series: Science and Technology (ST). 2, 2 (Jun. 2019). DOI:https://doi.org/10.32734/st.v2i2.547.