Aulia Handayani, Gina, et al. “Profil Tingkat Penalaran Ilmiah Siswa Sekolah Menengah Atas Pada Materi Ekosistem: (Profile Of The Level Of Scientific Reasoning Of High School Student On Ecosystem Material)”. BIODIK, vol. 6, no. 2, June 2020, pp. 176-8, doi:10.22437/bio.v6i2.9411.