[1]
Kharel, H.L., Sharma, R.K. and Kandel, T.P. 2016. Water Hardness Removal Using Wheat Straw and Rice Husk Ash Properties. Nepal Journal of Science and Technology. 17, 1 (Aug. 2016), 11–16. DOI:https://doi.org/10.3126/njst.v17i1.25057.