Items where Author is "Barus, Kristedi"

Nainggolan, Bajoka and Barus, Kristedi (2016) THE EFFECT MODEL PROBLEM BASED LEARNING (PBL) POWERPOINT MEDIA USING THE RESULTS STUDENT LEARNING ON THE COST OF DISCUSSION REDOX REACTIONS IN CLASS X. In: Proceeding AISTEEL The First Annual International Seminar on Transformative Education and Educational Leadership, 19 November 2016, Medan.