00437 a2200169 4500 067736 OSt 20211231154836.0 006.33 W31G Waterman, Donald A. A guide to expert systems by Donald A. Waterman New Delhi Pearson 2009 419p. Expert systems (Computer science) ddc BK 1607 1607 0 0 ddc 0 0 TXB CURAJ CURAJ 2012-03-07 CSC 465.00 006.33 W31G 2022 2024-11-21 2020-09-02 BK