linsel, h., & sach, k. (1965). practical problems of investment: Planning and financing. National Planning Institute.
Chicago-viite (17. p.)linsel, hermann, ja kurt sach. Practical Problems of Investment: Planning and Financing. cairo: National Planning Institute, 1965.
MLA-viite (9. p.)linsel, hermann, ja kurt sach. Practical Problems of Investment: Planning and Financing. National Planning Institute, 1965.
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