(3cJGH eLdI GdGMcGe GdTQYjI Ydi ePgH GdGeGe GMeO Hf MfHd GdTjHGfj(B/s - (3GdbGQj,GMeO Hf YHOGddgs; (3GHhSdjeGf,YHOGdhgGH GHQGgjes ((3GdSYhOjI(B:s (3eWHhYGJ JgGeI,s, 1981)
Keywords: (3GdabI GdGSdGejs -- (3ePGgHs