The concept of green areas through varouis historical eras : a case study for green areas in heritage areas of Egyptian and Saudi Arabian countries
By: Dwidar, Salma I.; Mutawalli, Wala. Journal of Engineering Sciences. Vol. 47, no. 6 (Nov. 2019), pp.899-913, 15 p.
Subjects: Economic development; Natural resources; Open spaces; Social capital; Urban areas