共 50 条
- [25] Estimation of the cost of afforestation by the cost analysis Kami Pa Gikyoshi/Japan Tappi Journal, 2007, 61 (05): : 52 - 64
- [28] Estimation of Cost Efficiency in Non-parametric Frontier Models VESTNIK SANKT-PETERBURGSKOGO UNIVERSITETA-EKONOMIKA-ST PETERSBURG UNIVERSITY JOURNAL OF ECONOMIC STUDIES, 2019, 35 (01): : 3 - 21