TY  - BOOK
AU  - Alberto, Annie Melind Paz.
TI  - Self-learning module in principles of ecology
PY  - 2002///
CY  - Science City of Munoz, Nueva Ecija
PB  - Environmental Mgt. Institute (EMI)
KW  - Ecology
KW  - sears
KW  - Problems, exercises, etc
N1  - Includes bibliographical references
ER  -