Integrated science :
Integrated science : with emphasis on earth science /
edited by Arturo N. Villegas.
- Manila : Academe Pub. House., 1994
- 607 pages : illustrations ; 23 cm.
Astronomy.
Earth sciences. --Air and water.
FIL QE 26.2 / .I58 1994
Astronomy.
Earth sciences. --Air and water.
FIL QE 26.2 / .I58 1994