Sholikha, A. and Suhartono, S. 2023. Classroom Teachers’ Efforts to Improve Students’ Discipline in Collecting Assignments in Cluster 6 of Kepanjen Sub-District . Journal of Education for Sustainability and Diversity. 2, 2 (Nov. 2023), 313–330. DOI:https://doi.org/10.57142/jesd.v2i2.93.