id	keyword
ajceb-3128	housing
ajceb-3128	housing co
ajceb-3128	operatives
ajceb-3128	members
ajceb-3128	south
ajceb-3128	africa
ajceb-3128	social
ajceb-3128	journal
ajceb-3128	building
ajceb-3128	economics
ajceb-3128	construction