(3Hfh gdGd Hjf GdSjQI h GdhGbY GdELJeGYj (B: s (3OQGSI GfKQhHhdhLjI aj bQjI Hfj gdGd HeMGaXI ShgGL (B/ s - (3YhV, GdSjO Mfajs ((3GdbGgQI (B:s (3ecJHI fgVI GdTQb,s, 1985)
Keywords: (3Yde GdELJeGYs; (3GdeLJeY GdQYhjs; (3eUQs