Sudrajat, C. J., & Agustin, M. (2020). School Leadership Strategy and Strategic Planning in Early Childhood Education at the Industrial Revolution 4.0 Era in Character Building: (Case Study at Tri Daya Cimahi Kindergarten). International Conference on Elementary Education, 2(1), 698-709. Retrieved from https://proceedings.upi.edu/index.php/icee/article/view/678