Agenda item 26: Economic development of under-developed countries : report of the Economic and Social Council (chapter III) (A/1884 and A/1924) : (c) Technical assistance for the economic development of under-developed countries (A/C.2/L.85 and Rev.1, A/C.2/L.87, A/C.2/L.88 and Add.1, A/C.2/L.90, A/C.2/L.91/Rev.1, A/C.2/L.92, A/C.2/L.93 and A/C.2/L.97).