(3GdhSjW aj TQM bGfhf GdLRGA GdchjJj (B:s (3GdbSe GdNGU (B/s - (3SGde, YHO Gdegjef HcQs ((3GdchjJ (B:s (3LGeYI GdchjJ,s, 1982)
Keywords: (3bGfhf GdYbhHGJs -- (3GdchjJs; (3GdbGfhf GdLfGFjs -- (3GdchjJs