(3GdJMcje aj efGRYGJ GdeTQhY GdYGe (B:s (3OQGSI ebGQfI (B/s - (3Ydj, TeS eQZfj(B.s ((3GdbGgQI (B:s (3YGde GdcJH,s, 1974)
(3GdCUd CWQhMI (B((3OcJhQGg(B)--(3LGeYI GdbGgQI(B.s
(3HHdjhLQGajI (B: (3UaMI (B721-744.s
Keywords: (3GdJMcje (B((3bGfhf GdeQGaYGJ(B)s; (3GdJMcje GdbVGFjs