Development of Flipbook Teaching Materials on Earth Surface Changes to Improve Learning Outcomes of Fifth Grade Elementary School Students

Authors: Alvida Ariani, Dhian Dwi Nur Wenda, Ita Kurnia

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Alvida Ariani: Universitas Nusantara PGRI Kediri

Dhian Dwi Nur Wenda: Universitas Nusantara PGRI Kediri

Ita Kurnia: Universitas Nusantara PGRI Kediri