Juhanda, Aa, and Yoga Maryanto. 2018. “The Emergence of Biological Problems in Electronic School Books (bse) Class X Reviewed from the Scientific Knowledge Domain of Scientific Literacy”. Biosfer: Jurnal Pendidikan Biologi 11 (2):121-25. https://doi.org/10.21009/biosferjpb.v11n2.121-125.