පස පිළිබඳ හැඳින්වීමක්=an introduction to soil
Wickrama , K.A.S.
පස පිළිබඳ හැඳින්වීමක්=an introduction to soil - Hambanthota Norad House 1985 - [x],126 p. 21 cm.
AGRICULTURE
SOIL SCIENCE
SOIL
631.4 / WIC
පස පිළිබඳ හැඳින්වීමක්=an introduction to soil - Hambanthota Norad House 1985 - [x],126 p. 21 cm.
AGRICULTURE
SOIL SCIENCE
SOIL
631.4 / WIC