(3efgL GdHMK GdGOHi (B/ s - (3Ydi LhGO GdWGgQs ([S.N] : (3efThQGJ hJhRjY GdecJHI GdYGdejI , s, 1986)
Keywords: (3GdGOH GdYQHis; (3WQb GdHMKs; (3GdGOH GdYQHi (B- (3WQb HMKs