An Analysis of the Effects of the Application of Mobile Phones in Children in Sidomulyo Village and Kertosari Estate Housing Ponorogo

Jurnal Indria (Jurnal Ilmiah Pendidikan Prasekolah dan Sekolah Awal)
doi 10.24269/jin.v4n2.2019.pp88-98
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Universitas Muhammadiyah Ponorogo


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