Syahrial S, Arsyad L. KONSENTRASI DAERAH PERHOTELAN DI KAWASAN DANAU TOBA. convergence-jep [Internet]. 2020 Jul. 30 [cited 2024 May 4];2(1):36-53. Available from: https://ejournal.unib.ac.id/convergence-jep/article/view/11508