Tawọn alasẹ lorilẹede Naijiria ba lee gba abajade iwadi naa wọle, eyi yoo fun ọpọ awọn ileto ati ilu to ti fara kaasa ọwọja wahala ifọnka epo rọbi lanfaani lati gbe awọn ileesẹ mejeeji lọ sileẹjọ fun biba agbegbe wọn jẹ lai san owo gba-maa binu.
