Utami, D. N., and B. Subali. “5E Learning Cycle Combined With Mind Mapping in Excretory System: Effectiveness on Curiosity”. Biosfer: Jurnal Pendidikan Biologi, Vol. 13, no. 1, May 2020, pp. 130 -42, doi:10.21009/biosferjpb.v13n1.130-142.