Environmental science for Philippine schools /
Deauna, Melencio C.
Environmental science for Philippine schools / Melencio C. Deauna and Salvacion L. Dorado. - Quezon City : Phoenix Publishing House, Incorporation, 1996. - 309 pages : Illustration ; 25 cm.
Includes bibliographical references and index.
Environmental science.
Environmental science for Philippine schools / Melencio C. Deauna and Salvacion L. Dorado. - Quezon City : Phoenix Publishing House, Incorporation, 1996. - 309 pages : Illustration ; 25 cm.
Includes bibliographical references and index.
Environmental science.