(3MSGH GdJaGVd h GdJcGed h GdgfOSI GdJMdjdjI (B/ s - (3JheGS, L (B.(3Hs; (3OYHhd, ehabs; (3HGdGTgQ, Ydjs; (3ShjSj, LeYgs ((3WQGHdS (B( (3djHjG (B) :s (3LGeYI GdaGJM,s, 1979)
Keywords: (3GdMSGHs; (3GdJaGVd h GdJcGeds; (3GdgfOSI GdJMdjdjIs