00440 a2200145 4500 BKB 146211 20200902155445.0 9788120329553 Tanenbaum, Andrew S. Operating system: design & implementation by Andrew S. Tanenbaum New delhi PHI Learning Private Limited 2006 Woodhull, Albert S. 12409 12409 0 0 0 0 CURAJ CURAJ 2014-05-19 0.00 0 AV78 2020-09-02 2020-09-02 BK