Proceedings [of the] 1st regional seminar on Philippine ecological problems.
| Format: | Book |
|---|---|
| Language: | English |
| Published: |
Davao City
National Research Council of the Philippines
[n.d.].
|
| Format: | Book |
|---|---|
| Language: | English |
| Published: |
Davao City
National Research Council of the Philippines
[n.d.].
|