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INDEXING:
Publisher:
Program Studi Pendidikan Fisika, Fakultas Keguruan dan Ilmu Pendidikan,
Universitas Islam Sumatera Utara
Jl. Sisingamangaraja XII Teladan, Medan, Sumatera Utara, Indonesia
E-mail: pascal@fkip.uisu.ac.id
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License .