aceng, hasani and fatah, abdul and Juwita Sari, Indah and hasanah, ibadul and romdani, andhy (2018) The influence of learning by smartphone to the conceptual science knowledge and the independence of students’ learning at junior high school. Jurnal Penelitian dan Pembelajaran IPA, 4 (2). pp. 158-166. ISSN 2477-2038