APA Citation

Purba, R. (1997). Analisis biaya dan manfaat = cost and benefit analysis.

Chicago Style Citation

Purba, Radiks. Analisis Biaya Dan Manfaat = Cost and Benefit Analysis. 1997.

MLA Citation

Purba, Radiks. Analisis Biaya Dan Manfaat = Cost and Benefit Analysis. 1997.

Warning: These citations may not always be 100% accurate.