APA (7th ed.) Citation

Otopro | Mechanical Engineering Department Universitas Negeri Surabaya. Cambridge University Press.

Chicago Style (17th ed.) Citation

Otopro | Mechanical Engineering Department Universitas Negeri Surabaya. Cambridge University Press.

MLA (8th ed.) Citation

Otopro | Mechanical Engineering Department Universitas Negeri Surabaya. Cambridge University Press.

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