(3TQM bGfhf GdYbhHGJ GdGJMGOj dOhdI GdEeGQGJ GdYQHjI GdeJMOI(B.s (3GdLRA GdKGfj,s (3GdeHGOF GdYGeI ddLRGA GdLfGFj (B((3GdYbhHI hGdJOHjQ(B) :s (3GdbSe GdYGe (B/s - (3QHjY, MSf eMeOs ((3OHj, GdEeGQGJ GdYQHjI GdeJMOI (B:s (3cdjI TQWI OHj,s, 1993)
Keywords: (3bGfhf GdYbhHGJs -- (3GdEeGQGJ GdYQHjI GdeJMOIs; (3GdbGfhf GdLfGFjs -- (3GdEeGQGJ GdYQHjI GdeJMOIs