Physical science [filem jalur]
Contents: 1. Light & color -- 2. Color combinations -- 3. Reflection -- 4. Refraction
| Fformat: | |
|---|---|
| Cyhoeddwyd: |
Big Spring, TX : Creative Visuals,
1975
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| Pynciau: |
Contents: 1. Light & color -- 2. Color combinations -- 3. Reflection -- 4. Refraction
| Fformat: | |
|---|---|
| Cyhoeddwyd: |
Big Spring, TX : Creative Visuals,
1975
|
| Pynciau: |