2012

• Vedder, P.H. & Geel, M., van (2012)
  Immigrant children and discrimination. In: Coll, C.G. (Ed.), The Impact of Immigration on Children's Development (Contributions to Human Development;), 24. , pp. 99-121. Basel: Karger.
  (boekdeel - hoofdstuk)
• Ljujic, V. & Vedder, P.H. & Dekker, H. & Geel, M., van (2012)
  Romaphobia among Serbian and Dutch adolescents: The role of threat, nationalistic feelings and integrative orientations. International Journal of Psychology
  (artikel)
• Ljujic, V. & Vedder, P.H. & Dekker, H & Geel, M., van (2012)
  Serbian adolescents' Romaphobia and their acculturation orientations towards the Roma minority. International Journal of Intercultural Relations, 36, pp. 53-61.
  (artikel)

2011

• Vedder, P.H. & Geel, M., van (2011)
  Immigration. In: Levesque, R.J. (Ed.), Encyclopedia of Adolescence, pp. 1391-1397. New York: Springer.
  (boekdeel - hoofdstuk)
• Geel, M., van & Vedder, P.H. (2011)
  Multicultural attitudes among adolescents: The role of ethnic diversity in the classroom. Group Processes & Intergroup Relations, 14 (4), pp. 549-558.
  (artikel)
• Geel, M., van & Vedder, P.H. & Wenink, E. G. & Zwaanswijk, W. (2011)
  Polarisation between Islamic and non-Islamic youth in the Netherlands. Tilburg, Cross-Cultural Psychology Symposium
  (voordracht - lezing)
• Ljujic, V. & Vedder, P.H. & Dekker, H. & Geel, M., van (2011)
  Romaphobia among Serbian and Dutch adolescents: The role of threat, nationalistic feelings and integrative orientations. Universiteit Tilburg, Paper presented at the Symposium Cross-Cultural Psychology.
  (voordracht - lezing)
• Geel, M., van & Vedder, P.H. (2011)
  The role of family obligations and school adjustment in explaining the immigrant paradox. Journal of Youth and Adolescence, 40, pp. 187-196.
  (artikel)

2010

• Ljujic, V. & Vedder, P.H. & Dekker, H. & Geel, M., van (2010)
  Serbian adolescents' Romaphobia and their acculturation orientations towards the Roma minority. Winchester, Paper presented at the British Psychological Society, Social Psychology Section Annual Conference, University of Winchester
  (voordracht - lezing)
• Vedder, P.H. & Geel, M., van (2010)
  Time spending in Children in India and the Netherlands; a research proposal. Bangalore, India, contribution to workshop
  (voordracht - lezing)

2009

• Geel, M., van (2009)
  Acculturation, adaptation and multiculturalism among immigrant adolescents in junior vocational education. LEI Universiteit Leiden, 82pp. P.H. Vedder.
  (dissertatie)
• Geel, M., van & Vedder, P.H. (2009)
  Perceived discrimination and psychological adjustment of immigrants: A review of research. In: Jasinskaja-Lahti, I & Mähönen, T.A. (Eds.), Indentities, Intergroup Relations and Acculturation; the cornerstones of intercultural encounters (pp. 179-190)Helsinki, Finland: Gaudeamus, Helsinki University Press.
  (boekdeel - hoofdstuk)

2008

• Geel, M., van & Vedder, P.H. (2008)
  Teaching in a culturally diverse classroom. South Afrika, Stellenbosch University, Earli Advanced Study Colloquium
  (voordracht - lezing)
• Geel, M., van & Vedder, P.H. (2008)
  The effects of school culture and perceived discrimination on immigrant adolescents' behavioral problems: The mediating role of separation. Germany, Bremen, International Association of Cross-Cultural Psychology
  (voordracht - lezing)