Schultz, Sara K., and Timothy F. Slater. “Use Of Formative Assessment-Based Active Learning By Astronomy Educators Teaching In Live Planetarium Learning Environments”. Journal of Astronomy & Earth Sciences Education 8, no. 1 (June 1, 2021). Accessed October 16, 2024. https://journals.modernsciences.org/index.php/JAESE/article/view/46.