Agenda item 28: Economic development of under-developed countries : report of the Economic and Social Council (A/1359, A/C.2/L.35, A/C.2/L.35/Add.1, AC2/L.36, A/C.2/L.37, A/C.2/L.38, A/C.2/L.39, A/C.2/L.40, A/C.2/L.41, A/C.2/L.42, A/C.2/L.43 and A/C.2/L.44).