Widyaningrum, R. (2007). Statistik pendidikan variabel Bivariat. STAIN Ponorogo Press.
Chicago Style (17th ed.) CitationWidyaningrum, Retno. Statistik Pendidikan Variabel Bivariat. STAIN Ponorogo Press, 2007.
MLA (8th ed.) CitationWidyaningrum, Retno. Statistik Pendidikan Variabel Bivariat. STAIN Ponorogo Press, 2007.
Warning: These citations may not always be 100% accurate.