Poerwati, Christiani Endah, I Made Elia Cahaya, and Ni Made Ayu Suryaningsih. “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) (March 3, 2020). Accessed May 7, 2025. https://jurnal.undhirabali.ac.id/index.php/icfar/article/view/1062.