%T Crop Labor Time and Motion Study of Selected Crops in Northeast Thailand
%A Walker, Lewis D
%A Angkorn Kamolpatana
%D 1969
%D 1969
%I USOM; Ministry of National Development/Department of Land Development
%K agriculture
%K economics
%K labour
%K water resources
%K transport
%K education
%K research
%K standard of living
%K social patterns
%K planning
%K commerce
%0 Book