Portillo, Reynaldo R. creator Gamboa, Imelda K. author. Flores, Vivian B. author. Quindara, Ma. Consuelo S. author. Isles, Mila E. author. Bacungan, Amelia O. author. Manzano, Clarita O. author. Alberca, Carolina G. author. text Bulacan Trinitas Publishing, Inc. c2003 monographic eng

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xv, 259 pages ; illustrations ; 25 cm. Reynaldo R. Portillo, Imelda K. Gamboa, Vivian B. Flores, Ma. Consuelo S. Quindara, Mila E. Isles, Amelia O. Bacungan, Clarita O. Manzano and Carolina G. Alberca Includes bibliographical references, index and glossary. 9-71420393-7 (pbk.) 250408 20250508155002.0