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Lua i Stíl Chicago (17ú heag.)Srein, Zdenek. Evaluation of Investment Efficiency In Czechoslovakia. Cairo: The Institute of National Planning, 1976.
Lua MLA (9ú heag.)Srein, Zdenek. Evaluation of Investment Efficiency In Czechoslovakia. The Institute of National Planning, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.