APA Style

Wiwoho, A., Sudjarno, ;, , M, I. (2013). Effectiveness of Sodium Zeolite Filter Media for Treating Hard Water in Sampung Pond Ok Village, Sub District Sampung, District Ponorogo . Jakarta: Poltekes Jakarta II.

MLA Style

Wiwoho, Abi., Sudjarno, ;, , Mochamad, Ichsan. "Effectiveness of Sodium Zeolite Filter Media for Treating Hard Water in Sampung Pond Ok Village, Sub District Sampung, District Ponorogo". Jakarta: Poltekes Jakarta II, 2013. Text.