APA (7th ed.) Citation

(1979). Soal - Soal & Penyelesaian Yield Line. Universitas Petra.

Chicago Style (17th ed.) Citation

Soal - Soal & Penyelesaian Yield Line. Universitas Petra, 1979.

MLA (8th ed.) Citation

Soal - Soal & Penyelesaian Yield Line. Universitas Petra, 1979.

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