(3agQS eNWhWGJ ecJHI Bd GdbeMGhj HfGHdS (B/ s - (3YWG Gddg, eMehO Ydjs ((3fGHdS (B:s (3LGeYI GdfLGM GdhWfjI (B- (3eQcR GdJhKjb h GdeNWhWGJ h GdfTQ,s, 1992)
Keywords: (3GdeNWhWGJ GdYQHjIs; (3GdagGQSs