(3GdbGfhf Qbe (B34 (3dSfI (B1976 :s (3aj TCf GdSLd GdJLGQj hdGFMJI GdJfajPjI GdUGOQI HbQGQ hRjQ GdJLGQI Qbe (B946 (3dSfI (B1976 /s - (3eUQ(B.s ((3GdbGgQI (B:s (3GdgjFI GdYGeI dTFhf GdeWGHY GdCejQjI,s, 1993)
Keywords: (3JTQjYGJ hbhGfjfs; (3GdSLd GdJLGQj(B.s