(3eLehYI GdeHGOi GdbGfhfjI GdJi GbQJgG eMceI GdfbV efP GfTGFgG SfI (B1931 / s - (3GfhQ WdHIs ([S.N] : (3dLfI GdGYdGe hGdOQGSGJ GdeSJbHdjI , s, 1982)
Keywords: (3GdbGfhfs; (3eUQs; (3GdGMhGd GdTNUjIs; (3bGfhf GdeQGaYGJs; (3GdbGfhf GdeOfis; (3bhGfjf hJTQjYGJs