(3cJGH ebGdGJ GdGSdGejjf hGNJdGa GdeUdjf (B/ s - (3GdGTYQi, GHhGdMSf Ydi Hf GSeGs; (3QjJjQ gdehJ (B( (3JUMjM (B)s ([S.N] : (3aQGfR TJGjfQ HajSHGOf , s, 1963)
Keywords: (3GdTQjYI GdGSdGejIs; (3Gdabg GdGSdGeis; (3GdGTGYQIs; (3Yde GdcdGes