Sugiyono. Metode Penelitian Kuantitatif, Kualitatif dan R&D. Alfabetha.
Chicago Style (17th ed.) CitationSugiyono. Metode Penelitian Kuantitatif, Kualitatif Dan R&D. Alfabetha.
MLA (8th ed.) CitationSugiyono. Metode Penelitian Kuantitatif, Kualitatif Dan R&D. Alfabetha.
Warning: These citations may not always be 100% accurate.