Darmawan, E., M. R. N. Alamsyah, K. G. Permadani, S. J. Pamungkas, S. Prajoko, I. Sukmawati, B. Wahono, and M. R. A. Zamzami. “Integration of Simas Eric With Google Classroom: Enhancing Biology Students Motivation and Scientific Writing”. Biosfer: Jurnal Pendidikan Biologi, Vol. 12, no. 1, Apr. 2019, pp. 1 - 12, doi:10.21009/biosferjpb.v12n1.1-12.