TY - UNPB N1 - Unpublished UR - http://repository.uhamka.ac.id/id/eprint/43795/ PB - Universitas Muhammadiyah Prof DR HAMKA A1 - Jumardi, Jumardi TI - Turnitin Artikel "The Efficiency of Application of Social Media in History Learning at Junior High School" ID - repository43795 AV - public ER -