TY - BOOK AU - Haridasan V. TI - Ancillary income from rubber plantations PY - 1992/// PB - In: Natural rubber: Biology, cultivation and technology. (Eds. M.R. Sethuraj and N.M. Mathew). Elsevier Science Publishers, Amsterdam, pp. 561-567. KW - Ancillary income KW - Rubber honey KW - Rubber seed oil KW - Rubber wood ER -