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Erna Dwi Wahyuni, - and Lailatun Ni'mah, - and Nensi Nur Asipah, - and - (2020) The effectiveness of health education cource review horay leaming method on child behavior changes to t:- impact the prevention of smartphone addiction. EurAsian Journal of Biosciences, 14 (1). pp. 1307-9867. ISSN 1307-9867