Harahap R. The Role of Digital Services in Improving Public Services Correspondence for the Medan Balitbang Mayor Office during the Covid-19 Pandemic. j.emak, j.emak [Internet]. 2022 Jun. 4 [cited 2025 Apr. 19];3(3):917–920. Available from: https://penerbitadm.pubmedia.id/index.php/jurnalemak/article/view/623