(3eSQM fLjH SQhQ(B: (3GdJhXja GdOQGei dGTcGd GdGOH GdTYHi (B/ s - (3YUGe GdOjf MSf GHhGdYdGs ([S.N] : (3ecJHI eOHhdi , s, 1989)
Keywords: (3GdGOH GdTYHis; (3GdGLJeGYs; (3GdGSGWjQs; (3GdGKjQjhdhLjGs; (3GdahdcdhQ GdTYHis