Pengaruh penggunaan helm terhadap keselamatan lalu lintas :: Studi kasus di Kabupaten Karangasem Bali
| Main Authors: | , |
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| Format: | Thesis |
| Published: |
[Yogyakarta] : Universitas Gadjah Mada
2002
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| Subjects: |
| Main Authors: | , |
|---|---|
| Format: | Thesis |
| Published: |
[Yogyakarta] : Universitas Gadjah Mada
2002
|
| Subjects: |