Huffman, Harry Programmed business mathematics Book 3 : business ownership, depreciation, compound interest, investments, and statistics [Books]. Harry Huffman. - 5th Ed. - New York McGraw-Hill 1986 - Pages: 210 ISBN: 0070309191 0.00 Subjects--Personal Names: Business mathematics -- Problems, exercises, etc. Dewey Class. No.: HF/5694 / HUF