TY  - BOOK
ED  - Ministry of Agriculture, Lands and Forestry.
TI  - Staggered Cultivation of Paddy: A Case Study of Ampara District 
U1  - X633.18(076-5) 
PY  - 1972///
CY  - Colombo
PB  - Ministry of Agriculture, Lands and Forestry.
ER  -