Ahmed, S. U., & Gotoh, K. (2006). Cost-Benefit Analysis of Environmental Goods by Applying the Contingent Valuation Method: Some Japanese Case Studies. Springer Japan. https://doi.org/10.1007/4-431-28950-X
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAhmed, Sarwar Uddin, এবং Keinosuke Gotoh. Cost-Benefit Analysis of Environmental Goods by Applying the Contingent Valuation Method: Some Japanese Case Studies. Tokyo: Springer Japan, 2006. https://doi.org/10.1007/4-431-28950-X.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAhmed, Sarwar Uddin, এবং Keinosuke Gotoh. Cost-Benefit Analysis of Environmental Goods by Applying the Contingent Valuation Method: Some Japanese Case Studies. Springer Japan, 2006. https://doi.org/10.1007/4-431-28950-X.
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