Llwytho...
Investigating science in the swimming pool and ocean /
Instructions for experiments with water investigating such questions as why some objects float, how can water depth be measured, and other related topics.
Prif Awdur: | |
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Awduron Eraill: | |
Fformat: | Printed Book |
Cyhoeddwyd: |
New York :
McGraw-Hill,
c1978.
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Pynciau: |
Kerala University of Fisheries
Rhif Galw: |
530/.28 AND/IN |
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Copi NFIC | Nid yw'r Statws Byw ar Gael |