TY  - BOOK
AU  - Ashish, Bhatnagar 
TI  - PC upgrading maintenance and troubleshooting guide
SN  - 9788185749365
AV  - TK 7887 .A84/ 
CY  - New delhi 
KW  -      Microcomputers--Maintenance and repair.     Microcomputers--Upgrading.
ER  -