ABEYGUNAWARDENA, D.V.W
Diseases of cultivated plants / D.V.W, Abeygunawardena, - Colombo Apathecaries 1969 - 289 p.
Includes bibliography and index
632 / ABE
Diseases of cultivated plants / D.V.W, Abeygunawardena, - Colombo Apathecaries 1969 - 289 p.
Includes bibliography and index
632 / ABE