1. Essentials of marketing research/ Joseph F. Hair, Jr., David J. Ortinau, Dana E. Harrison Hair, Joseph F., Jr., 1944- New York, NY : McGraw Hill LLC, [2024] BUS320 BUS130 BUS472
2. Essentials of business research methods Hair, Joseph F., Jr., 1944- New York : Routledge, 2023. BUS320
