1.
Subardin M. VALUASI EKONOMI KAWASAN KONSERVASI (ILUSTRASI PENDEKATAN BIAYA PERJALANAN). JEP [Internet]. 2009 Dec. 18 [cited 2024 Oct. 6];7(2):103-12. Available from: https://jep.ejournal.unsri.ac.id/index.php/jep/article/view/4880