Pengembangan Bahan Ajar Berbasis Masalah Kontekstual Materi Sistem Persamaan …

This study was based on the low mathematical problem-solving skills of students. The study aims to produce teaching material that were based on contextual problems on the material of the system of linear equations of three variables to improve the mathematical problem-solving skills of phase E SMK students who meet the criteria of valid, practical, and effective. This research was a developmen…