TY - BOOK AU - Saraswathyamma C.K. AU - Marattukalam J.G. TI - Rubber planting materials: Development and propagation PY - 1996/// PB - Rubber Research Institute of India, Rubber Board, Kottayam, 114 p. (Malayalam) KW - Budding KW - Clone KW - Planting material KW - Propagation ER -