id	keyword
ajoaa-1392	coffee
ajoaa-1392	certification
ajoaa-1392	income
ajoaa-1392	farmers
ajoaa-1392	treatment
ajoaa-1392	program
ajoaa-1392	development
ajoaa-1392	production
ajoaa-1392	effect
ajoaa-1392	vietnam
ajoaa-1392	household
ajoaa-1392	study
ajoaa-1392	journal