If you're interested in publishing in the SoTL, this research guide can help:
Cabell's Scholarly Analytics
Includes "Predatory Reports," which use behavioral indicators to identify journals potentially engaging in predatory practices.
Think, Check, Submit
Brief explanation of how and why to check journal publishers before submitting your work. Includes checklists.
Outlines the NIH's recommendations for choosing credible journals when publishing NIH-funded research (NOT-OD-18-011)
Checklist designed to help researchers determine whether or not to publish in a journal. Created by the Duke University Medical Center Library & Archives.
I Sold My Undergraduate Thesis to a Print Content Farm
This SLATE article describes one author's experience with a "book mill."
Predatory conferences ‘now outnumber official scholarly events’
Article from Times Higher Education describing questionable scholarly conferences.