SCIMA valintakori viitteet

lkm: 2
1.
Economisch Statistische Berichte
1987 : FEB 18, VOL. 72:3594, p. 162-165
1987 Haan, J. de
Veen, A. van der
2.
Research on Economics and Management (c)
1999 : 6, p.3-6
1999 Chen, Dongqi
SCIMA