Conserva
... in ekostelsels; voedsel- kettings; biogeochemiese kringlope (water, koolstof, stikstof, ens) word noukeurig verduidelik, ... He addresses these issues aquot;in the knowledge that what is needed is not an encyclopaedia but a desk-top guide that can be consulted and acted upon easilyaquot;. ... other things, we need informed and aware citizens, sympathetic and earth-caring leaders and well-trained scientists.
| Title | : | Conserva |
| Author | : | |
| Publisher | : | - 1990 |
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