Sound & light
| Format: | Book |
|---|---|
| Call Number: | 534 SOU |
| Institution: | Perbadanan Perpustakaan Awam Negeri Perak |
| Library: | Main Library |
| Record Id / ISBN-0: | ppap.31333 / |
| Online Public Access Catalog: | Perbadanan Perpustakaan Awam Negeri Perak |
| Published: |
Singapore :
International Publishers Direct,
2005
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| Subjects: | |
| Tags: |
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| Item Description: |
Contents: What is a scientific investigation?--How do scientists work?--Wave phenomena--Echolocation--Radio technologies--Telescopes. |
|---|---|
| Physical Description: |
1 videodisc ( 70 min. ) : stereo.col., 4 3/4 in |