Dowling, Edward T., (Edward Thomas). (1986). Schaum's outline of theory and problem of mathematics for economists / by Edward T. Dowling. New York :: McGraw-Hill,.
Dowling, Edward T., (Edward Thomas). Schaum's outline of theory and problem of mathematics for economists / by Edward T. Dowling. New York :: McGraw-Hill,, 1986
Dowling, Edward T., (Edward Thomas). Schaum's outline of theory and problem of mathematics for economists / by Edward T. Dowling. New York :: McGraw-Hill,, 1986.