@book{3899,
	author = {ROY, M.K. and DASTIDAR, D. GHOSH.},
	title = {COBOL PROGRAMMING : },
	publisher = {TATA MCGRAW-HILL},
	year = {1989},
	address = {NEW DELHI: },
	edition = {2},
	note = {INCLUYE INDICE.}
}