Kang, S.J. (2015). Leadership, organizational culture, knowledge productivity and value creation in four successful Korean companies. Thesis. Enschede: University of Twente (Promovendus)

Leadership Characteristics in Leading Korean Firms and Their Implications for HRD (Publication)

De Jong, T., Verdonschot, S.G.M., & Kessels, J.W.M. (2012). Shop assistants as instigators of innovation: analysis of 26 innovation initiatives in 17 Dutch supermarkets. Int. J. Strategic Change Management, 4 (1), pp. 32-51. (Publication)

Knowledge Productivity in Korea. KEF Interview with Prof. Kessels and Mr. Kang in Magazine of Korean Employers Federation (November, 2011) (Interview)

Kessels, J.W.M. Verdonschot, S. De Jong, T. (2011) Characteristics of learning environments which support knowledge productivity and which facilitate innovation (Publication)

Jong, Tjip de (2010). Linking Social Capital to Knowledge Productivity. (Promovendus)

De Jong, Tj. & Kessels, J.W.M. (2007) Human Resource Development for Social Capital: An intricate process of knowing. University of Jyväskylä, Finland

De Jong, Tj. & Kessels, J.W.M. (2007) Human Resource Development for Social Capital: An intricate process of knowing. University of Jyväskylä, Finland (Publication)