Selludo, Ballena, Naressia D. <br/><br/>Science, technology and society Nerissa D. Selludo, Rhodora Bernal  - Bulacan:  Trinitas;  [2004]  - 324 pages:  with illustrations;  22 cm. <br/><br/><label>ISBN: </label>9714206065 <br/><br/><label>LC Class. No.: </label>Q 76  / .S4161 2004