Dewi, S.N.R., Nilawarni, R. and Rusdi, R. 2018. Differences in The Application of Conceptual Understanding Procedures Model (CUPs) and Concept Attainment Model (CAM) on Students Misconception Reduction in Digestive System Material. Biosfer: Jurnal Pendidikan Biologi. 8, 1 (Jan. 2018), 10-19. DOI:https://doi.org/10.21009//biosferjpb.8-1.2.