@book{798,
	author = {National Instructional Media Institute (NIMI) and DGT, MSDE, Govt of India},
	title = {Computer Operator & Pragramming Assistant (COPA) Revised in 2012 : Trade Practical},
	publisher = {National Instructional Media Institute (NIMI)},
	year = {2013,c2004},
	address = {Chennai}
}