00381nam a2200157Ia 4500008004100000020001800041035001000059082001800069100001900087245001800106250000600124260005600130300000800186500000800194650002100202210723s9999||||xx |||||||||||||| ||und||  a81-297-0490-0  a42358  a510.7834BFEU  aFeuer, Alan R. 0aC Puzzle Book  a-  aN. DelhibPearson Education ( Singapore ) Pte. Ltd.  a177  a237  aComputer Science