Kusumawati, N. P. Y. S., Jayanta, I. N. L., & Sukmana, A. I. W. I. Y. (2021). Learning Video: Efforts to Improve the Quality of Natural Resource Learning for Elementary School Students. International Journal of Elementary Education, 5(3), 461–470. https://doi.org/10.23887/ijee.v5i3.35548