id	keyword
ajoaa-4348	labor
ajoaa-4348	efficiency
ajoaa-4348	farm
ajoaa-4348	freedom
ajoaa-4348	labor freedom
ajoaa-4348	development
ajoaa-4348	farmers
ajoaa-4348	wage
ajoaa-4348	agricultural
ajoaa-4348	land
ajoaa-4348	journal
ajoaa-4348	allocative
ajoaa-4348	migration
ajoaa-4348	employment
ajoaa-4348	medium
ajoaa-4348	reform
ajoaa-4348	study