INDIAN STANDARDS INSTITUTION
Indian Standard Methods of Test for Soils Part XXVI Determination of PH Value IS 2720 1973 - Delhi Indian Standard Institution 1973 - 8p
IS:2720(part26)-1973
Indian Standard Methods of Test for Soils Part XXVI Determination of PH Value IS 2720 1973 - Delhi Indian Standard Institution 1973 - 8p
IS:2720(part26)-1973