(3GdGUhd GdJGQjNjI deSGdI WGHG(B: (3OQGSI hKGFbjI (B/ s - (3jhfGf dHjH QRbs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1983)
Keywords: (3GdYUQ GdMOjKs; (3eUQs; (3JGQjNs; (3GdJMcje GdbVGFis; (3GdeMGce GdOhdjIs; (3GdhKGFb GdbGfhfjIs; (3WGHGs