SCIMA valintakori viitteet

lkm: 2
1.
International Journal of Physical Distribution and Materials Management
1981 : vol. 11:5/6, p. 21-38
1981 Gray, R.
Davies, G. J.
2.
Macro Economic Management (c)
1999 : 4, p.18-20
1999 Liu, Lifeng
SCIMA