SoTL Research Methodologies
https://doi.org/10.4324/9781003447054
Related work:
Miller-Young, J. (2018). Conducting interviews: Capturing what is unobserved. SoTL in Action : Illuminating Critical Moments of Practice, pp. 92-99. edited by Nancy L. Chick, Stylus Publishing. (pre-print available here)
Many faculty and students have said they find this article very useful when they are first learning/doing the scholarship of teaching and learning (SoTL). Similarly, it is the paper I wish I had when I got started!