(3GdehShYI GdYScQjI (B/ s ((3HjQhJ (B:s (3GdeDSSI GdYQHjI ddOQGSGJ h GdfTQ,s, 1977)
Keywords: (3GdMQHs; (3GdehShYGJs; (3GdYdhe GdYScQjIs; (3Yde GdeYGLes