Sari, Nilam, Master, Doctoral Program in Mathematics Education, State University of Medan, Medan, Indonesia</br>Master, Faculty of Teacher Training and Education, Universitas Quality, Medan, Indonesia, Indonesia

• Educational Administration: Theory and Practice Vol. 30 No. 1 (2024) - Articles
  Developing a Hypothetical Learning Trajectory with Problem-Based Learning and a Learning Medium for Middle School
  Abstract  PDF