Search for '(su:{Agriculture}) and se:Research study and au:Herath, H.M.G.'

Smallholder rubber replanting in Sri Lanka , trends, problems, and factors infuencing their decisions

By Jayasena, W.G.. Colombo Agrarian Research and Training Institute 1986 . 72p. 30 cm.

By Jayasena, W.G.. Colombo Agrarian Research and Training Institute 1984 . 151p. 30 cm.

By Jayasena, W.G.. Colombo Agrarian Research and Training Institute 1986 . 172p. 30 cm.