(3egQLGf GdTehN dbHjdI Gd eQI hjGe (B/s - (3SGde Hf UGdM Gd LgeGf GdeQis; (3SGde Hf UGdM Bd LgeGf GdeQi(B. (3LeY hJhKjb(B.s ((3bWQ (B:s (3OGQ GdTQb(B,s, 1991)
Keywords: (3GdTYQ GdSjGSis