Gea, Ingat Zatulo, SMP Negeri 2 Ulu Moro`o (Indonesia)
Gulo, Alimudin, SMPN 1 Mandrehe (Indonesia)

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Publisher:
LPPM Universitas Labuhanbatu

Editorial Address:
Jln.S.M. Raja No.126 A Aek Tapa Rantauprapat, Kab. Labuhanbatu Sumatera Utara, Indonesia

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