TY  - BOOK
AU  - Senevirathna A M W K
AU  - Chaminda
AU  - de Alwis M N
AU  - Pathirana P D
AU  - Seneviratna P
AU  - Weerakoon U S
AU  - Zoysa L
TI  - Certification of planting material of rubber in Sri Lankan nurseries: Process, constraints and requirements
PY  - 2007///
PB  - Bulletin of the Rubber Research Institute of Sri Lanka
KW  - Planting material
KW  - Sri Lanka
ER  -