Retnawati, H. (2016). Validitas Reliabilitas dan Karakteristik Butir. Parama Publishing.
Chicago Style (17th ed.) CitationRetnawati, Heri. Validitas Reliabilitas Dan Karakteristik Butir. Parama Publishing, 2016.
MLA (8th ed.) CitationRetnawati, Heri. Validitas Reliabilitas Dan Karakteristik Butir. Parama Publishing, 2016.
Warning: These citations may not always be 100% accurate.