Innovation in population law and policy in sub-Saharan Africa, 1975-1985Nancy I. Heckel · First published 1986Open the Tome
Population policyStephen L. Isaacs, Gail Cairns, Nancy Heckel, Development Law and Policy Program · First published 1985Open the Tome
Experimental application of the cost-benefit formula and the evaluation model at the Bethlehem Training Centre in Addis AbabaNancy Heckel · First published 1980Open the Tome
