Bachelor: Theology (First Class Honours). Catholic University of Nijmegen, 1980.

Master: Theology and Pastoral Studies (First Class Honours). University for Theology and
Pastoral Studies. 1984.

Doctor: Theology. Catholic University of Nijmegen, 1994.

Wijsen, F., A. Anshori (2023), Eco-Theology in Indonesian Islam: Ideas on Stewardship among Muhammadiyah Members. In: Journal of Government and Civil Society 7(1):109-118

Wijsen, F., (2023). Reduce or Refuse Plastic? The Contribution of Pesantren in Pasuruan. In T. Van Meijl, F. Wijsen (2023). Engaged Scholarship and Emancipation. Nijmegen: Radboud University Press.

Wijsen, F. Z. Bagir, M. Yusuf, S. Ma’arif, A. Marsiyanti (2023). Humans and Nature: Does Religion Make a Difference in Indonesia? Journal for the Study of Religion Nature and Culture 17(1).

Wijsen, F. (2022). Religious Heritage and Water Management. Blue Papers 1(2):60-67

Wijsen, F. (2021). Environmental Challenges in Indonesia: An Emerging Issue in the Social Study of Religion. Journal of Asian Social Science Research 3(1):1-14.

Wijsen, F., H. Saptaningtyas (2021). "Cleanliness is part of faith". Religious Values in Water management in West-Java, Indonesia. In Z. Bagir, M. Northcoth & F. Wijsen (Eds.), Varieties of Religion and Ecology. Dispatches from Indonesia, Zürich: LIT Verlag, 163-182.

Religion and Ecology, Discursive study of religion.