(3GddZI hGdNWGH GdGOHi (B/ s - (3SYjO GdZGfeis; (3SGHjQ, GOhGQOs; (3JhOhQha, JRajJGfs ((3HjQhJ (B: s (3GdeQcR GdKbGai GdYQHi , s, 1993)
Keywords: (3GdGSdhH GdGOHis; (3GdHdGZIs; (3Yde GddZIs; (3GdGOH (B- (3ebGdGJs