(3EUOGQ GdMce GdbVGFj (B/s - (3YHO GdbGOQ SjO YKeGfs; (3YHO GdHGSW LejYjs; (3LGeYI Yjf TeSs (3cdjI GdMbhbs ((3GdbGgQI (B:s (3cdjI GdMbhb (B- (3LGeYI Yjf GdTeS,s, 1981)
(3QSGFd fSNI efaQOIs
(3CWQhMI (B((3OcJhQGg(B) - (3LGeYI Yjf TeS, cdjg GdMbhb, bSe bGfhf GdeQGaYGJ (B1981.s
(3HHdjhLQGajG (B: (3UaMGJ (B494 -509.s
Keywords: (3bGfhf GdeQGaYGJs; (3GdMce GdbVGFjs; (3GdeOGhdIs; (3Gdabg hGdhbGFYs; (3QSGFd LGeYjIs -- (3LGeYI Yjf TeSs -- (3bGfhf GdeQGaYGJs