Piper, Edwin Bancroft.
Applied business mathematics for consumer and business use Edwin B. Piper, Roswell E. Fairbank and Joseph Gruber. - 9th ed. - Cincinnati : South-Western, 1970. - x, 582 p.: col. illus.; 25 cm.
Business mathematics.
511.8 / PIA
Applied business mathematics for consumer and business use Edwin B. Piper, Roswell E. Fairbank and Joseph Gruber. - 9th ed. - Cincinnati : South-Western, 1970. - x, 582 p.: col. illus.; 25 cm.
Business mathematics.
511.8 / PIA