Naressia D. Seludo-Ballena, Rhodora C. Bernal, Leah Primitiva G. Samaco-Paquiz, Rita C. Ramos, and Lydia C. Viet

SCIENCE, TECHNOLOGY, SOCIETY - Trinitas Publishing House 2004

Includes Bibliography

971-42-0606-5

Fil. 303.483 Sc2 2004