TY  - BOOK
AU  - Marattukalam J G
AU  - Premakumari D
AU  - Saraswathyamma C K
TI  - Methods of propagation and materials for planting
PY  - 1980///
PB  - Handbook of Natural Rubber Production in India (Ed. P N Radhakrishna Pillay) Kottayam, RRII, 1980
ER  -