APA (7th ed.) Citation

RIDUWAN. (2011). Skala pengukuran variabel-variabel penelitian. Alfabeta.

Chicago Style (17th ed.) Citation

RIDUWAN. Skala Pengukuran Variabel-variabel Penelitian. Alfabeta, 2011.

MLA (9th ed.) Citation

RIDUWAN. Skala Pengukuran Variabel-variabel Penelitian. Alfabeta, 2011.

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