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1.	Image from Google Jackets Image from OpenLibrary	The World Of PC DOS by "Mackie, Peter H" Material type: Text; Format: print ; Literary form: Not fiction Publication details: Oregon ; Dilithium Press ; 1984 Availability: Items available for loan: IET Lucknow Central Library (1).
2.	Image from Google Jackets Image from OpenLibrary	The World Of PC DOS by "Mackie, Peter H" Material type: Text; Format: print ; Literary form: Not fiction Publication details: Oregon ; Dilithium Press ; 1984 Availability: Items available for loan: IET Lucknow Central Library (1).
3.	Image from Google Jackets Image from OpenLibrary	The World Of PC-Dos by Mackie Peter H Edition: 1984 Material type: Text; Format: print ; Literary form: Not fiction Publication details: USA ; Dilithium Press ; 1984 Availability: Items available for loan: IET Lucknow Central Library (1).
4.	Image from Google Jackets Image from OpenLibrary	Spreadsheet Dilemma by Mackie Peter H Material type: Text; Format: print ; Literary form: Not fiction Publication details: U.S.A ; Dilithium ; 1984 Availability: Items available for loan: IET Lucknow Central Library (1).

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