000 00593nam a2200217Ia 4500
005 20250923145258.0
008 008 250917s9999 xx 000 0 eng d
037 _aTextual
040 _aDSWL
_beng
_cDSWL
041 _aeng
_2eng
084 _aS8:7:b6, N72
_qDSWL
100 _aAckoff, R.L.
_9833618
245 0 _aOn Purposeful Systems
_cby R.L. Ackoff
260 _aLondon
_bTavistock Publications
_c1972
300 _axii,288p.
365 _aGBP
_b3.5
700 _aF.E. Emery
_9833619
925 _g3.5
942 _cTEXL
_hS8:7:b6, N72
999 _c1449376
_d1449376