(3cGfJ dfG GjGe ai UGdhf GdYbGO (B/ s - (3GfjS efUhQs ([S.N] : (3GdecJH GdeUQi GdMOjK , s, 1984)
Keywords: (3GdGOH GdYQHis; (3GdTNUjGJ GdGOHjIs; (3GdJQGLe GdPGJjIs; (3YHGS eMehO GdYbGOs