stregl, p. K. (1965). the new progressive changes in planned management of the national economy experimented in the present time in czechoslovaia. National Planning Institute.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিstregl, prof. K. The New Progressive Changes in Planned Management of the National Economy Experimented in the Present Time in Czechoslovaia. cairo: National Planning Institute, 1965.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিstregl, prof. K. The New Progressive Changes in Planned Management of the National Economy Experimented in the Present Time in Czechoslovaia. National Planning Institute, 1965.
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