(3GdehShYI GdTGedI dGMcGe eMceI GdfbV (B/ s - (3YHOGdefYe GdTQHjfis ([S.N] : (3dLfI GdGYdGe hGdOQGSGJ GdeSJbHdjI , s, 1983)
Keywords: (3GdbGfhfs; (3eUQs; (3GdGMcGes; (3GSJFfGa GdGMcGes; (3eMGce GdfbV hGdJejRs