Checland P B

:  Checland P B
:  2
:  9595
:  0
:  0
:

Checland P.B., Scholes I. Soft systems methodology in action. Chichester: Wiley, 1990.
(: 5467, : 0, : 0)
Checland P.B., Scholes I. Soft systems methodology in action. Chichester: Wiley, 1990.
(: 4128, : 0, : 0)

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