SARAGIH, Ivany Gresya; 						SUDIANA MAHENDRA, Made; 						SUDARMA, I Made.
 VALUASI EKONOMI  JASA LINGKUNGAN EKOSISTEM HUTAN TAMAN EDEN 100, DESA LUMBAN JULU, PARAPAT, SUMATERA UTARA.
<strong>ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science)</strong>, [S.l.], v. 13, n. 2, p. 170-179, jan. 2020.
ISSN 2503-3395.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/ecotrophic/article/view/52357" target="_new">https://ojs.unud.ac.id/index.php/ecotrophic/article/view/52357</a>&gt;. Date accessed: 12 feb. 2025.
doi: <a href="https://doi.org/10.24843/EJES.2019.v13.i02.p05">https://doi.org/10.24843/EJES.2019.v13.i02.p05</a>.