@book{6085,
	author = {Morgan, Augustus De.  and A.C.T. Schools Authority (Australia)},
	title = {Study and difficulties  of mathematics  / },
	publisher = {A.C.T. Schools Authority  [for the]  A.C.T. Accrediting Agency,},
	year = {c1982 .},
	address = {Canberra  , }
}