Cranham,.J.E.
Monographs on Tea Production in Ceylon Insects and Mite Pests of Tea in Ceylon and their Control Hettiarachchi, D.J. (Photographer) - Thalawakele: The Tea Research Institute of Ceylon; 1966. - 122p.: ill.Photographs; 22cm.
WE/91
Monographs on Tea Production in Ceylon Insects and Mite Pests of Tea in Ceylon and their Control Hettiarachchi, D.J. (Photographer) - Thalawakele: The Tea Research Institute of Ceylon; 1966. - 122p.: ill.Photographs; 22cm.
WE/91