(3GdJNWjW GdGTJQGcj h GdHQeLI GdQCSeGdjI (B/s - (3jhQj e (B. (3TajQchfs; (3CMeO aJMj HOQNGfs ((3HjQhJ (B:s (3OGQ GdWdjYI ,s, 1980)
Keywords: (3GdHQeLI GdQCSeGdjIs; (3GdJNWjW GdGTJQGcj s