(3GdbaR ai GdeGA (B/ s - (3HjJQehQZfs; (3YeGO GHhSYOs ([S.N] : (3GdOGQ GdYQHjI ddYdhe , s, 1991)
Keywords: (3GdQjGVI GdHOfjIs; (3GdGdYGH GdQjGVjIs; (3GdLhOhs; (3GdeUGQYIs; (3GdYGH GdcQIs; (3GdSHGMIs; (3GdeUGQYI GdjGHGfjIs; (3GdZWSs; (3SHGb GdOQLGJs; (3GddjGbI GdHOfjIs; (3GdcGQGJjIs