Ha Thi Thu Nguyen, Anh The Luu, and Thu Tuyet Thi Tran. “Economic Valuation of Mangrove Forest: The Case of Kim Son District, Ninh Binh Province Using Contingent Valuation Method”. The VMOST Journal of Social Sciences and Humanities, vol. 67, no. 1, Apr. 2025, pp. 47-55, doi:10.31276/VMOSTJOSSH.2024.0010.