Duda, H. J. ., Wahyuni, F. R. E., Setyawan, A. E., Supiandi, M. I., & Bustami, Y. (2022). Development of project based biotechnology teaching books. Biosfer: Jurnal Pendidikan Biologi, 15(2), 178–191. https://doi.org/10.21009/biosferjpb.18003