Elshafei, Alwalid N creator text ua Cairo INP 1979 monographic eng 10 p. ؛ 27 cm. Over the last decade or SD, global and regional issues such as population growth, food shortage, and economic and social development have been the subject of substantial international research programmes. this effort has led to conceptualization of problems and possible solutions, as well as to the realization of the considerable difficulties involved. specialized Alwalid N, Elshafei. planning energy development economy population growth food shortage 338.9 memo 1255 EG-INP 260505 20260622100524.0 eng