00282nam a22000977a 4500082001200000100002900012245006700041260002900108300001100137700003600148  aR/4CE17  aAmir Saleem Khana17CE52  aEffect of Water Cement Ratio on the Strength of Green Concrete  aNawabshah:bQUEST,c2020  a35p. ;  aDepartment of Civil Engineering