TY - BOOK AU - De Leon, Ethel AU - De leon, Ethel AU - Alda, Rivica C. AU - Bacus, Remedios C. TI - Language learning materials development SN - 978-621-451-009-2 U1 - BFil. 428.1 PY - 2021/// CY - Quezon city PB - Lorimar Publishing KW - Vocabulary N1 - Introduction to material development -- Essence of instructional -- Development of instructional materials -- Materials development -- Adaption of instructional materials-- Materials for the teaching of vocabulary -- Materials for the teaching of grammar -- Materials of enhancing listening and speaking skills -- Materials for the teaching of reading comprehension and cultural awareness -- Materials for improving writing skills -- Materials for developing viewing skills ER -