Author(s) : ahmad khoiri,

Source : SPEKTRA: Jurnal Pendidikan dan Kajian Sains

Issue : Vol 2, No 1 (2017) : Jurnal Kajian Pendidikan Sains

Publisher : Universitas Sains Al-Qur'an (UNSIQ) Wonosobo

DOI : 10.32699/spektra.v2i01.9

Date : Apr 01, 2017