Comparison between pumps which work by solar energy electricity, and diesel /
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Traethawd Ymchwil Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
[Cairo] :
Arab republic of Egypt. The institute of National Planning,
1990.
|
| Pynciau: | |
| Tagiau: |
Ychwanegu Tag
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
|
| Disgrifiad o'r Eitem: | Includes illustrations. Includes diagrams. |
|---|---|
| Disgrifiad Corfforoll: | 109 p. : ill. ; 30 cm. |
| Llyfryddiaeth: | Includes bibliographical references. |