61. Essentials of business communication Guffey, Mary Ellen, Boston, MA : Cengage Learning, [2023] BUS490 BUS471 ENG213
62. Essentials of business statistics: using excel Jaggia, Sanjiv, 1960- New York, N.Y. : McGraw Hill LLC, [2023]. ACCT131
65. Essentials of services marketing Wirtz, Jochen, Harlow : Pearson Education Limited, [2023] BUS130 SW480