Reynolds, L. G., & Michas, N. A. [. b. (1971). Programmed Learning Aid for Principles of Economics: Macro. Illinois: Learning Systems Company.
শিকাগো স্টাইলে সাইটেশনReynolds, Lloyd G., এবং Nicholas A. [Assisted by] Michas. Programmed Learning Aid for Principles of Economics: Macro. Illinois: Learning Systems Company, 1971.
এমএলএ সাইটেশনReynolds, Lloyd G., এবং Nicholas A. [Assisted by] Michas. Programmed Learning Aid for Principles of Economics: Macro. Illinois: Learning Systems Company, 1971.
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