Ningsih, S. “Efforts to Optimize Thinking Skills and Acting through Kit Media in Science Learning in Class Vi Sd 31 Ambacang Kecamatan Bayang”. Jurnal Ilmiah Pendidikan Scholastic, vol. 2, no. 1, Feb. 2018, pp. 196-05, doi:10.36057/jips.v2i1.324.