TY - BOOK AU - Villanueva, Katherine U. TI - The effectiveness and frequency of the use of modular approach learning system in open high school program at Batasan Hills National High School: : basis for pedagogical innovations AV - CD-02584t PY - 2013/// CY - Quezon City PB - Dr. Carlos S. Lanting College KW - Education/ Administration and Supervision N1 - Education/ Administration and Supervision ER -