TY - SER AU - Hageboeck, M. TI - Sectoral mapping: an experimental approach for examining patterns of A.I.D. activitiy by sector T2 - A.I.D. research & development abstracts ; PY - 1981/// CY - Washington-US : PB - United States Agency for International Development, N1 - Artículo dentro de: Development assistance-general; Sumarios de investigación ER -