(3Ce YeGQI (B: (3fSjHI HfJ cYH QVj Gddg YfgG (B/ s - (3bWH, eMeO Ydjs ((3GdEScfOQjI (B:s (3OGQ GdOYhI,s, 1993)
Keywords: (3GdSjQI GdfHhjIs; (3GdUMGHI h GdJGHYhfs; (3fSjHI HfJ cYHs; (3GdUMGHjGJs; (3fGTFhf UZGQ (B(10-14 (3SfI(B)s