TY  - BOOK
AU  - Ponnamma V. John
AU  - Mr PK Narayanan
TI  - Usefulness of incentives provided by rubber board to the rubber growers of Kottayam taluk
PY  - 1994///
CY  -  Thrissur
PB  - Kerala Agricultural University
N1  - Course: PGDNRP
ER  -