Riyanto, E. Armada. et al. <br/><br/>
Studia Philosophica et Theologica Vol 17 No 1 Maret 2017. 

 - Malang:  STFT Widya Sasana,   2017. 
<br/><br/><label>ISSN: </label>
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<br/><br/><label>LC Class. No.: </label>BR1  / .SPT Vol.17.No.1. Maret 2017