(3TQM bGfhf GdELQGAGJ GdLRGFjI dOhdI GdEeGQGJ GdYQHjI GdeJMOI (B/s - (3CHh NWhI, CMeO Thbj YeQs ((3OHj, GdEeGQGJ GdYQHjI GdeJMOI,s (3cdjI TQWI OHj,s, 1990)
(3GdeMJhjGJ (B: (3GdeLdO GdChd(B. (3GdOYGhi GdfGTFI Yf GdLQjeI, GSJbUGA GdLQGFe hLeY COdJgG hJMbjbgG(B-(3GdeLdO GdKGfj(B. (3GdeMGceI hWQb GdWYf aj GdCMcGe hETcGdGJ GdJfajP(B.s
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs -- (3GdEeGQGJ GdYQHjI GdeJMOIs; (3GdbGfhf GdLfGFjs -- (3GdEeGQGJ GdYQHjI GdeJMOIs