Eddy, T. 2022. Improvement Of Clean Field With The Implementation Of Medan City Regional Regulation No. 3 Of 2014 Regarding A No-Smoke Area In Medan City. International Journal of Educational Research & Social Sciences . 3, 1 (Feb. 2022), 211–216. DOI:https://doi.org/10.51601/ijersc.v3i1.282.