517
C536C
           Childress, Robert L
               Calculus for business and economics \ Robert L Childress - Englewood Cliffs : Prentice-Hall, 1972.
               xii, 267p.
                ISBN: 0-13-111492-1

82266
                Subjects: Calculus; Calculus, Integral; Logarithms; Differentials Calculus.