@book{98018,
	author = {Runyan, Lawrence P.,},
	title = {Precalculus mathematics with elementary functions /},
	publisher = {Allyn and Bacon, Inc.,},
	year = {1977},
	address = {United States :},
	note = {BAHAN SUMBANGAN DARIPADA PROFESOR MADYA DR. ROSLINAZAIRIMAH BINTI ZAKARIA}
}