TY  - BOOK
AU  - Donovan, John J.
TI  - Systems programming
SN  - 9780074604823
U1  - 005.42 
PY  - 1972/// (2017 66th reprint)
CY  - Chennai
PB  - McGraw Hill Education (India)
KW  - Systems programming (Computer science)
KW  - Computer programming
ER  -