Proceedings of the R.R.I.M. Planters' Conference 1972, Kuala Lumpur : a report of the proceedings of the R.R.I.M. Planters' Conference 1972, held in Kuala Lumpur from 13 to 15 July 1972 - Rajarao, J. C.; Foo, Kah Yoon (Rubber Research Institute of Malaya, 1972)