Wilopo, S. A. Metodologi Penelitian Survey. FK UGM.
Chicago Style (17th ed.) CitationWilopo, Siswanto Agus. Metodologi Penelitian Survey. FK UGM.
MLA (8th ed.) CitationWilopo, Siswanto Agus. Metodologi Penelitian Survey. FK UGM.
Warning: These citations may not always be 100% accurate.