(3GdJTQjY GdVQjHi(B: (3GdVQGFH Ydi GdONd (B/ s - (3GMeO HOjY HdjMs ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1987)
Keywords: (3GdbGfhfs; (3bhGfjf hJTQjYGJs; (3bGfhf GdVQGFHs; (3VQGFH GdONds