Putrianti P, Hatibe A, Kade A. Effect of Scientific Attitudes and Critical Thinking towards Environment Ability by the Contextual Teaching and Learning Guide with Sets Approach of Seven Grade Students in SMP Negeri 3 Palu. J. Riset Pend. MIPA [Internet]. 2017Dec.30 [cited 2024Nov.21];1(2):63-74. Available from: https://new.jurnal.untad.ac.id/index.php/jrpm/article/view/82