Ramadhanti AT, Santosa Y, Sunkar A. Economic Valuation of Sun Bear (Helarctos malayanus) and Sumatran Elephant (Elephas maximus sumatranus) Based on Maintenance Cost Approach. JPSL [Internet]. 2023 Mar. 10 [cited 2026 Jan. 13];13(1):49-56. Available from: https://journal.ipb.ac.id/jpsl/article/view/42785