Hasibuan EA, Darma S, Nurbaiti N. Geographic Information System Mapping Potential of E-Market in Pandemic Period. j.emak, j.emak [Internet]. 2022 Jan. 12 [cited 2025 Apr. 28];3(1):169–172. Available from: https://penerbitadm.pubmedia.id/index.php/jurnalemak/article/view/403