The Influence of Situational Factors in Software Product Management: An Empirical Study. - Willem Bekkers; Inge van de Weerd; Sjaak Brinkkemper; Alain Mahieu (IWSPM, 2008)

The Design of Focus Area Maturity Models. - Marlies van Steenbergen; Rik Bos; Sjaak Brinkkemper; Inge van de Weerd; Willem Bekkers (DESRIST, 2010)

A Situational Assessment Method for Software Product Management. - Willem Bekkers; Marco R. Spruit; Inge van de Weerd; Rob van Vliet; Alain Mahieu (ECIS, 2010)

A Framework for Process Improvement in Software Product Management. - Willem Bekkers; Inge van de Weerd; Marco R. Spruit; Sjaak Brinkkemper (EuroSPI, 2010)

Developing a Maturity Matrix for Software Product Management. - Inge van de Weerd; Willem Bekkers; Sjaak Brinkkemper (ICSOB, 2010)

The Situational Assessment Method put to the test: Improvements based on case studies. - Willem Bekkers; Marco R. Spruit (IWSPM, 2010)

Evaluating the Software Product Management Maturity Matrix. - Willem Bekkers; Sjaak Brinkkemper; Lucas van den Bemd; Frederik Mijnhardt; Christoph Wagner; Inge van de Weerd (RE, 2012)

Improving IS Functions Step by Step: the Use of Focus Area Maturity Models. - Marlies van Steenbergen; Rik Bos; Sjaak Brinkkemper; Inge van de Weerd; Willem Bekkers (Scand. J. Inf. Syst., 2013)