Suggested Topics within your search.
Suggested Topics within your search.
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1by Perera, M. P.
Published 1976Colombo : Agrarian Research and Training Institute, 1976.23 p. : maps ; 30 cm.“...Agrarian Research and Training Institute,...”
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2by Perera, U. L. Jayantha
Published 1980Colombo : Agrarian Research and Training Institute, 1980.vi, 140 p. : map ; 30 cm.“...Agrarian Research and Training Institute,...”
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3by Gunawardena, P. J.
Published 1981Colombo, Sri Lanka : Agrarian Research & Training Institute, 1981.vi, 57 p. ; 29 cm.“...Agrarian Research & Training Institute,...”
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4by Gunawardena, P. J.
Published 1980Colombo : Agrarian Research and Training Institute, 1980.xii, 181 p. : ill. ; 30 cm.“...Agrarian Research and Training Institute,...”