Agenda item 26: Economic development of under-developed countries : report of the Economic and Social Council (chapter III) (A/1884 and A/1924) : (d) General aspects of economic development (A/C.2/L.81 and Corr.1, A/C.2/L.120, A/C.2/L.124 and Corr.1 & 2 and A/C.2/L.125).