TY - BOOK AU - Lucido, Paz I. AU - Borabo, Milagros L., ED - ED - ED - ED - SN - 9715740103 (hardcover) SN - 2 PY - 1997///.46 CY - Quezon City PB - Katha KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Educational technology N1 - Includes bibliographical references; 5 ER -