TY - THES T1 - The extinction of a species trends in the Philippine middle-income class size A1 - Bries, Avril R. A2 - Ferrer, Krizia Pauline Felice S. LA - English UL - https://tuklas.up.edu.ph/Record/UP-99796217610232008 NO - Thesis (B.S. Econ)--University of the Philippines, Diliman. NO - "October 2011." CN - LG 993.5 2011 E2 B75 KW - Middle class : Philippines : Economic conditions. KW - Income : Philippines. ER -