Boserup
1989
Population, the status of women, and rural development
Hayami
1976
Anatomy of peasant economy
Bose et al.
1969
Some basic considerations on agricultural mechanization in West Pakistan
Blackie
1994
Maize productivity for the 21st century: The African challenge
DE1375337U
(https= )
DE1828874U
(de )
1961-03-30
Vorrichtung zum ausstreuen koernigen oder pulvrigen materials.
Byerlee
1990
Technical change, productivity, and sustainability in irrigated cropping systems of South Asia: emerging issues in the post-green revolution era
Singh
1968
Economics of tractor cultivation: A case study
DE830844C
(de )
1952-02-07
Hack- und Haeufelpflug
Pülschln et al.
1990
The significance of soil burning (“Guie”) in Ethiopia with special regard to its effects on the agrestal weed flora
DE1386472U
(https= )
Singh et al.
1978
A Micro Level Study of Capital Formation in the Punjab Agriculture
DE241353C
(https= )
Balassa
1960
Collectivization in Hungarian Agriculture
AT14611B
(de )
1904-01-11
Säevorrichtung an kombinierten Ackergeräten.
Ayele et al.
1999
Economic returns of Vertisol innovation: an empirical analysis of smallholders mixed farming in the highlands of Ethiopia
Poland et al.
1998
GRAZING ANNUAL FORAGES
Mabasa et al.
1995
Maize competition with natural weed infestation in communal areas in three agro-ecological zones of Zimbabwe
DE671162C
(de )
1939-02-01
Raupenbekaempfungsmittel
Sharma
1984
Economy and society of rural Gujarat in the second half of the eighteenth century: A Study based on the Haribhakti Papers
Schmid
1982
Inflation and Employment in Open Economies.(Studies in International Economics, Vol. 5)
Hayami et al.
1977
Anatomy of Peasant Economy‐The Economic Accounts of the Rural Household in the Philippines
Oram
1968
The scope for and the forms of foreign aid to the agricultural sector
Hayami et al.
1977
Anatomy of Peasant Economy
Gatsi et al.
2001
ECONOMICS OF INTEGRATED TILLAGE AND WEED CONTROL PRACTICES ON MAIZE-BASED SYSTEMS IN THE SMALLHOLDER FARMING SECTOR OF ZIMBABWE.