Istijabatun, Siti, Supartono Supartono, and Masturi Masturi. “PEMBELAJARAN KONTEKSTUAL UNTUK MENINGKATKAN SOFT SKILL KONSERVASI DAN KETERAMPILAN PROSES SAINS”. Journal of Innovative Science Education 5, no. 2 (December 19, 2016): 111-120. Accessed July 17, 2024. http://journal.unnes.ac.id/sju/jise/article/view/14259.