An integrated system of world models : with separate models for economic growth, population and labour force, energy, food and agriculture, machinery and equipment, and raw materials / Ram Dayal
"An integrated system of world models : with separate models for economic growth, population and labour force, energy, food and agriculture, machinery and equipment, and raw materials / Ram Dayal"
"An integrated system of world models : with separate models for economic growth, population and labour force, energy, food and agriculture, machinery and equipment, and raw materials"