"id","author_first1","author_last1","title","year","btitle","beditor_first","beditor_last","publisher","place","pages","keyword0","type" "839","Ahmed","al-Kasir","The impact of emigration on social structure in the Yemen Arab Republic","1985","Economy, Society and Culture in Contemporary Yemen","B.R.","Pridham","Croom Helm","London","122-31","Migration","chapter"