Simarmata MM, Triastuti, Hutabalian AP. Analisis Kesediaan Membayar Pengunjung Willingness To Pay (WTP) Objek Wisata Pantai Pasir Putih Desa Lumban Bulbul Kecamatan Balige Kabupaten Toba. Jurnal Akar [Internet]. 2022 Sep. 15 [cited 2024 Jul. 3];1(2):17-26. Available from: https://jurnal.usi.ac.id/index.php/akarusi/article/view/895