(3GdGNhGf GdeSdehf hGdUdM eY GSQGFjd (B/ s - (3MSfjf cQhes ([S.N] : (3TQcI fGOQch ddWHGYI hGdfTQ , s, 1982)
Keywords: (3eUQs; (3GdGMhGd GdSjGSjIs; (3GdfRGY GdYQHi GdGSQGFjdis; (3GdSjGSIs; (3GdGNhGf GdeSdehfs