@book{12033,
	author = {De Leon-Abao, Ethel and Alda, Rivika C.; Bacus, Remedios C.},
	title = {Language learning materials development /},
	publisher = {Lorimar Publishing Inc.,},
	year = {©2021.},
	address = {Quezon City, Metro Manila :},
	note = {Includes bibliographic references}
}