(1)
Waangsir, F. W. .; Arnawa, G. P. .; Sadukh, J. J. .; Suluh, D. G. The Use of Various Filtaritaion Media in Lowering the Level of Water Hardness .
jppipa, pendidikan ipa, fisika, biologi, kimia
2023
,
9
, 1182-1186.