Handayani, S. L., S. Sarwi, and P. Marwoto. “The Implementation of Three-Stage Fishbowl Decision to Improve Students Conceptual Understanding and Learning Activity”. Jurnal Inovasi Pendidikan Dasar, vol. 2, no. 1, Nov. 2016, pp. 1-8, doi:10.22236/jipd.v2i1.4514.