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