TY  - BOOK
AU  - Thapa Premjung
TI  - Modelling the efficiency of family and hired labou
T2  - Institute for integrated development in studies
SN  - 0754618536
U1  - X9(J):9:(B).4445.P, P3 
PY  - 2003///
CY  - London
PB  - Ashgate          
KW  - Agricultural Economics
N1  - Bibliography P 205-216
ER  -