(3TQM GddeY (B/ s - (3GdYcHQi (B, (3GHf HQgGf YHOGdhGMOs; (3aGFR aGQS (B((3JMbjb(B)s ([S.N] : (3eWGHY chjJ JGjeR , s, 1984)
Keywords: (3GddZI GdYQHjI (B- (3GYQGHs; (3GddZI GdYHQjI (B- (3GdfMhs