Soil and soil conservation in Sri Lanka
Thenabadu, Mervyn W
Soil and soil conservation in Sri Lanka - Colombo Natural Resorces Energy and Science Authority 1988 - (10),113 p. - Science Education Series No.28 .
Agriculture
631.4(548.7) / THE
Soil and soil conservation in Sri Lanka - Colombo Natural Resorces Energy and Science Authority 1988 - (10),113 p. - Science Education Series No.28 .
Agriculture
631.4(548.7) / THE