a systems approach Lester, David 1942- creator text bibliography dcu 1995 monographic eng ENG

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xii, 179 p. : ill. ; 24 cm. David Lester. Includes bibliographical references (p. 163-168) and index. Personality 1560323507 1560323515 9781560323501 9781560323518 95019902 https://www.loc.gov/catdir/enhancements/fy0653/95019902-d.html https://www.loc.gov/catdir/enhancements/fy0653/95019902-d.html KE 950519 20260512153817.0 KE ENG