SCIMA valintakori viitteet

lkm: 2
1.
Economica
1990 : NOV, VOL. 57:228, p. 495-514
1990 Main, B. G. M.
Shelly, M. A.
2.
Management Today
1991 : FEB, p. 42-47
1991 Kay, H.
SCIMA