International trade in certain raw materials and foodstuffs : by countries of origin and consumption : 1935
Establishment of industrial estates in under-developed countries
Programa para desarrollar la capacidad nacional de efectuar encuestas de hogares : errores no muestrales en las encuestas de hogares : fuentes, evaluación y control : versión preliminar
National household survey capability programme : measuring literacy through surveys : a technical study on literacy assessment and related education topics through : household surveys