Browsing by Subject "changes"
Now showing items 1-3 of 3
(معهد التخطيط القومى, 1972-04-01)In last two decades, there has been a substantial increase the yield per feddan of some major crops in A.R.E. For instance the average cotton yield per feddan of 1965-1969 was 60% that of 1935-1939
(معهد التخطيط القومى, 1972-05-01)For most countries, developed as well as developing countries, international trade is important in order to satisfy the needs for new industrials and manufactures goods
(معهد التخطيط القومى, 1973-03-01)Planning of national development has become widespread: all the third world countries, since the second world war and since the achievement of independence.