Yusra Faisal A, B M. The Influence of Human Relations and Physical Environmental Conditions on Employee Performance Through Work Ethic at The Department of Cooperations in The City of Binjai. SINOMIKA [Internet]. 2023 Sep. 7 [cited 2024 Nov. 7];2(3):511-26. Available from: https://publish.ojs-indonesia.com/index.php/SINOMIKA/article/view/1366