Mandella, S., Suhendar and Setiono 2021. Kemampuan awal Penalaran Ilmiah Peserta Didik Sekolah Menengah Atas berdasarkan gender Pada Materi Ekosistem: (Early Scientific Reasoning Ability of High School Students based on Gender In Ecosystem Materials) . BIODIK. 7, 2 (Jun. 2021). DOI:https://doi.org/10.22437/bio.v7i2.12795.