Cultivation, processing and marketing of cashew products : a world survey /

by Abeysinghe, Ariya.
Published 1974

Papain industry in Sri Lanka : (papaw cultivation for papain and domestic and international marketing /

by Abeysinghe, Ariya.
Published 1974

Ramie : a promising fibre crop for Sri Lanka /

by Abeysinghe, Ariya.
Published 1974

Kitul : cultivation, processing and marketing in Sri Lanka /

by Abeysinghe, Ariya.
Published 1974

Sesame (gingelly) cultivation, processisng and marketing /

by Abeysinghe, Ariya.
Published 1974