id	keyword
ajeer-6283	agricultural
ajeer-6283	digital
ajeer-6283	economy
ajeer-6283	productivity
ajeer-6283	quality
ajeer-6283	level
ajeer-6283	effect
ajeer-6283	quality productivity
ajeer-6283	development
ajeer-6283	information
ajeer-6283	threshold
ajeer-6283	construction
ajeer-6283	journal
ajeer-6283	model
ajeer-6283	research
ajeer-6283	improvement