(3GdeMGSHI GdVQjHjI aj GdeedcI GdYQHjI GdSYhOjI (B/ s - (3GdSjO, MSjf eMeOs ((3GdQjGV (B:s (3LGeYI GdQjGV,s, 1972)
Keywords: (3GdeMGSHIs; (3eMGSHI GdVQGFHs