Cogan, D.J. (1986) The Services Sector Revisited: An Analysis of Job Creation Potential. Irish Business and Administrative Research, 8 (2): 6. pp. 58-68. ISSN 0332-1118

Cogan, D.J. and McGovern, Barry (1984) Promoting New Technology-Based Companies: The Role of the IDA Enterprise Development Programme. Irish Business and Administrative Research, 6 (2): 3. pp. 27-35. ISSN 0332-1118

Cogan, D.J. (1984) Which Type of High-Technology for Irish Industry? Irish Business and Administrative Research, 6 (1): 4. pp. 33-38. ISSN 0332-1118

Cogan, D.J. and O'Brien, Ronan (1983) The Irish Electronics Sector: Technical Manpower as an Indicator of Structure and Sophistication. Irish Business and Administrative Research, 5 (1): 1. pp. 3-11. ISSN 0332-1118

Cogan, D.J. (1979) Towards an Economic Policy for the Irish Services Sector. Irish Business and Administrative Research, 1 (1): 4. pp. 55-63. ISSN 0332-1118