Keeley, P., & Sneider, C. I. (2012). Uncovering student ideas in astronomy: 45 formative assessment probes. National Science Teachers Association.

Keeley, Page, and Cary Ivan Sneider. Uncovering Student Ideas in Astronomy: 45 Formative Assessment Probes. Arlington, Va.: National Science Teachers Association, 2012.

Keeley, Page, and Cary Ivan Sneider. Uncovering Student Ideas in Astronomy: 45 Formative Assessment Probes. National Science Teachers Association, 2012.