Astri Hardina Amelia, Muhammad Arif, Muhammad Ikhsan Harahap. STRATEGI PENGEMBANGAN EKOWISATA BERBASIS EKONOMI LOKAL STUDI KASUS AEK SIJORNI KEC. SAYUR MATINGGI TAPANULI SELATAN SUMATERA UTARA. ES [Internet]. 2023Jun.30 [cited 2024May10];4(1):272-80. Available from: https://jurnal.stain-madina.ac.id/index.php/eksya/article/view/1435