Ambarsari, R., Sartono, E. K. E., Mustadi, A., Zubaidah, E., Jhon, W. and Rafsanzani, M. A. (2021) “Needs Analysis of Electronic Story Calendar Media to Improve Spirit of Nationalism”, Journal of Education Research and Evaluation, 5(3), pp. 398–405. doi: 10.23887/jere.v5i3.33281.