Mustadi, A., Suhardi, S., Susilaningrum, E. S., Ummah, R., Purwatiningtyas, M., & Wijayanti, P. E. (2017). Character Based Reflective Picture Storybook: Improving Student’s Social Self-Concept in Elementary School. Jurnal Cakrawala Pendidikan, 36(3). https://doi.org/10.21831/cp.v36i3.15860