Darlington Keith. (2011). The Essence of Expert Systems: Essence of computing. Dorling kindersely pvt ltd.
Chicago-viite (17. p.)Darlington Keith. The Essence of Expert Systems: Essence of Computing. U.P.: Dorling kindersely pvt ltd, 2011.
MLA-viite (9. p.)Darlington Keith. The Essence of Expert Systems: Essence of Computing. Dorling kindersely pvt ltd, 2011.
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