ENDI MARTHA MULIA; ALVIN SUSANTO. RESORT DANAU SIOMBAK. Jurnal Sains dan Teknologi ISTP, [S. l.], v. 17, n. 1, p. 49–55, 2022. DOI: 10.59637/jsti.v17i1.142. Disponível em: http://ejurnal.istp.ac.id/index.php/jsti/article/view/142. Acesso em: 6 jul. 2025.