(3GdfGQ (B: (3ecGaMJgG (B- (3GdhbGjI efgG (B/ s - (3ChQadj, Ydjs ((3HjQhJ (B:s (3eDSSI GdQSGdI,s, 1973)
Keywords: (3GdhbGjI ef GdMQjbs; (3GdMQGFbs