RachmanT. A., LatipahE., Supiana, dan ZaqiahQ. Y. “Curriculum Simplification and Subject Reduction to Improve the Quality of Education in Indonesia ”. International Conference on Elementary Education, Vol. 4, no. 1, April 2022, hlm. 815-2, http://proceedings2.upi.edu/index.php/icee/article/view/2059.