Häusler, Nastja, Manfred L. Pirner, Annette Scheunpflug, and Stephan Kröner. 2019. “Religious and Professional Beliefs of Schoolteachers – A Literature Review of Empirical Research”. International Journal of Learning, Teaching and Educational Research 18 (5):24-41. http://www.ijlter.myres.net/index.php/ijlter/article/view/564.