(3OQGSI GdNQjWI GdeOQSjI ddeQMdI GdKGfhjI GdCcGOjejI h GdegfjI aj dhGA GdRQbGA ddYGe (B1980 / s - (3CHh GdTjN, eUWai MSjf eMehOs ((3GdRQbGA (B:s (3hRGQI GdJQHjI hGdJYdje,s, 1981)
Keywords: (3GdJYdje GdKGfhjs; (3GdRQbGA(B( (3dhGA (B)s