(a) OLUWAJANA, Mary Aderele. (2012):  The Impact of Computer, Usage on the Secretarial Duties. A Case Study of Federal University of Agriculture, Abeokut. An unpublished B.Sc. Dissertation Submitted to the Department of Secretarial Administration, Faculty of Education Olabisi Onabanjo University, Ago-Iwoye. 

(b) ANIFOWOSE, Mary Aderele. (1994): Establishing an Ice-Cream Depot in Ilaro. A feasibility Study of the School of Business Studies, Department of Secretarial Studies Federal Polytechnic, Ilaro. An unpublished Dissertation Submitted to the Department of Secretarial Studies Federal Polytechnic, Ilaro.