search query: @author Virtanen, I. / total: 7
references: 4-7 / 7
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4.
Predictability of stock returns in a thin security market.
Liiketaloudellinen aikakauskirja
1987 : VOL. 36:3, p. 226-243
 1987 Yli-Olli, P.
Virtanen, I.
5.
On relationship between ROI and IRR under inflation : A constant real cash-flow case.
European Journal of Operational Research
1983 : JUL, VOL. 13:3, p. 256-267
 1983 Aho, T.
Virtanen, I.
6.
Käyttöpääoman käsittely investointilaskelmissa - I. (Treatment of working capital in investment analysis - I. Summary)
Liiketaloudellinen aikakauskirja
1982 : VOL. 31:3, p. 255-278
 1982 Aho, T.
Virtanen, I.
7.
Optimal maintenance policy and planned sale date for a machine subject to deterioration and random failure.
European Journal of Operational Research
1982 : JAN, VOL. 9:1, p. 33-40
 1982 Virtanen, I.
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