00580nam a22002057a 4500 186455 186455 20220304144310.0 ENG-131841 9789388511742 270.00 EN-115373 DBAD/PUB 004 Jain s. CCC made simple; course on computer concepts/ GEETHA NEW DELHI BPB publications 2019 20,ANSARI ROAD darya ganj new delhi 110002 x 297p. 27cm(pbk) Index Geetha ,jain s. first ddc EN 004 JAI