Thomas JosephJayasankar, N.P.2014-08-122014-08-121981In Review of research on coconut root(wilt) disease. eds.Mathen, K.,Kutty, M.P.G.,Joseph, T and Mathew, C.CPCRI(RS), Kayangulam(mimeo) 1981 p-5-9http://hdl.handle.net/123456789/4733enArticle