(3ehLR JGQjN GdadSaI (B/ s - (3LeGYI ef GdGSGJPI GdShajGJs; (3Jhajb Sdhes ((3HjQhJ (B: s (3OGQ GdaGQGHi , s, 1989)
Keywords: (3JGQjNs; (3GdadSaIs