Belli, P. (2001). Economic analysis of investment operations: Analytical tools and practical applications. the international bank for reconstrucion and development.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBelli, Pedro. Economic Analysis of Investment Operations: Analytical Tools and Practical Applications. Washington: the international bank for reconstrucion and development, 2001.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBelli, Pedro. Economic Analysis of Investment Operations: Analytical Tools and Practical Applications. the international bank for reconstrucion and development, 2001.
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