Report copyright - BAB III METODE PENELITIANrepository.upi.edu/23765/6/T_PEKO_1407331_Chapter3.pdf · √{N ∑X2−(∑X)2} {N∑Y2 –(∑Y)2} (Suharsimi Arikunto, 2006: 170) Dengan menggunakan taraf
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