Software cost estimation models. - Fred J. Heemstra (Jerusalem Conference on Information Technology, 1990)

Empirical study of software maintenance. - Michiel van Genuchten; G. Brethouwer; T. van den Boomen; Fred J. Heemstra (Inf. Softw. Technol., 1992)

Software cost estimation. - Fred J. Heemstra (Inf. Softw. Technol., 1992)

Risk Management for IT Projects: Theory and Practice. - Fred J. Heemstra; Rob J. Kusters (ECIS, 1996)

Dealing with risk: a practical approach. - Fred J. Heemstra; Rob J. Kusters (J. Inf. Technol., 1996)

A framework for the development of software development performance indicators. - Rob J. Kusters; Hugo Ruys; Fred J. Heemstra (ECIS, 1998)

Software Maintenance: An Approach towards Control. - Rob J. Kusters; Fred J. Heemstra (ICSM, 2001)

Senior executives' use of information technology. - Guus G. M. Pijpers; Theo Bemelmans; Fred J. Heemstra; Kees A. G. M. van Montfort (Inf. Softw. Technol., 2001)

Guidelines for Managing Bias in Project Risk Assessment. - Fred J. Heemstra; Rob J. Kusters; Huibert de Man (ISESE, 2003)

Defining ICT proposals. - Fred J. Heemstra; Rob J. Kusters (J. Enterp. Inf. Manag., 2004)

Determining the costs of ERP implementation. - Rob J. Kusters; Fred J. Heemstra; Arjan Jonker (ICEIS (1), 2007)

ERP Implementation Costs: A Preliminary Investigation. - Rob J. Kusters; Fred J. Heemstra; Arjan Jonker (ICEIS (Selected Papers), 2007)

Sizing ERP Implementation Projects: An Activity-Based Approach. - Guy Janssens; Rob J. Kusters; Fred J. Heemstra (Int. J. Enterp. Inf. Syst., 2008)