Poerwati, C. E., Cahaya, I. M. E., & Suryaningsih, N. M. A. (2020). INTRODUCTION TO SCIENCE IN EARLY CHILDHOOD WITH COOPERATIVE LEARNING MODEL JIGSAW TYPE ASSISTED WITH CONCRETE OBJECTS. International Conference on Fundamental and Applied Research (I-CFAR). https://doi.org/10.36002/icfar.v0i0.1062