Elementary school science 6 pupil's guide Part 1
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Quezon City
Science Education Center
University of the Philippines, c1976.
|
| Edizioa: | 2d expt. ed. |
| Gaiak: |