@book{691,
	author = {Untalan, Aaron "CY" Tuesca.},
	title = {Concepts and guidelines in COPAR (CDx, COPAR, and Com Dev.)/},
	publisher = {Educational Pub. House,},
	year = {2007.},
	address = {Manila:},
	edition = {2nd ed.},
	note = {Includes appendices and bibliographical references. }
}