TY - BOOK AU - Lorenzo, Camille C. & Raval, Vea Marga TI - Development and pre-testing of an advocacy video for Mother tongue based multi-lingual education (MTB-MLE) PY - 2017/// N1 - Thesis (Bachelor of Arts in Communication) -- Mariano Marcos State University - College of Arts & Sciences, Batac City; Bibliography: leaves 53-56 ER -