TY  - BOOK
AU  - Gooneratne, W.
AU  - Olesiak, K. P. 
AU  - Samad, M.
TI  - Group production; a case study of an experiment conducted in Beminiwatta in the kegalle District of Sri Lanka
U1  - 338.1095493 
PY  - 1977///
CY  - Colombo
PB  - Agrarian Research and Training Institute
KW  - Production Economics
ER  -