Items where Author is "Sinaga, L."
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Simanjuntak, Mariati Purnama and Marpaung, N and Sinaga, L. and Siregar, Nurdin (2020) The Effect of Problem Based Learning Based on Multiple Representations to the Students' Science Conceptual Understanding. In: The 7th Annual International Seminar on Trends in Science and Science Education (AISTSSE) 2020, 17 Nov 2020, Medan.