Items by "Marbun, Eva"

Marbun, Eva and Sitorus, Marham and Tarigan, Simson (2023) Development of Chemistry Electronic Student Worksheets Problem Based Learning Model to Improve Student’s Learning Outcome in Grade X Senior High School on Stoichiometry Topic. In: Proceedings of the 8th Annual International Seminar on Transformative Education and Educational Leadership, AISTEEL 2023, 19 September 2023, Medan, North Sumatera Province, Indonesia.