%0 Magazine Article %T IASER discussion paper %A Institute of Applied Social and Economic Research %D 1976 %8 1989 %C Boroko %G English %F 169339874 %O Institute of Applied Social and Economic Research %O 1.1976 - 57.1989; 58.1988 %L 910 940 300 330 %9 Text %9 Zeitschrift