Winaryati, E., Safuan, S., Mulyadi, D., Hasan, M., Wijanarko, N.H., Maulana, F.R., Ivana, M.I. and Anam, M.K. 2022. Improving the quality of learning through strengthening the lesson study community based on "Competition exploration". Journal of Community Service and Empowerment. 3, 3 (Nov. 2022), 115–121. DOI:https://doi.org/10.22219/jcse.v3i3.19456.