(3OjhGf MSGf Hf KGHJ GdGfUGQi (B/ s - (3MSGf KGHJs; (3hdjO YQaGJs ((3HjQhJ (B: s (3OGQ UGOQ , s, 1974)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3OhGhjf hbUGFOs; (3JGQjN hfbOs; (3GdeLehYGJs