Rahma, Nuzula Elfa, et al. “Valuasi Jasa Ekosistem Hutan Tropis Di Kalimantan Timur Dengan Metode Benefit Transfer: Ecosystem Services Valuation for East Kalimantan Tropical Forest by Using Benefit Transfer Method”. Buletin Loupe, vol. 16, no. 01, Aug. 2020, pp. 27-34, doi:10.51967/buletinloupe.v16i01.73.