Being a TA (Stanford University Teaching Commons): a set of articles on being a TA, including on leading discussions, review sections, and labs
"Creating Space: Maximising the Potential of the Graduate Teaching Assistant Role” by Hannah Fairbrother. Teaching In Higher Education 17, no. 3 (June 2012): 353-358.
"Researching the Pupil Voice: What Makes a Good Teaching Assistant?" by Ken Bland and Sandra Sleightholme. Support For Learning 27, no. 4 (November 2012): 172-176.
"The Roles of Mentoring and Motivation in Student Teaching Assistant Interactions and in Improving Experience in First-Year Biology Laboratory Classes" by Jonathon Good, et al. Journal Of College Science Teaching 44, no. 4 (March 2015): 88-98.
The Teaching Forum: archived issues of the Vanderbilt Center for Teaching newsletter, containing articles on teaching