Ladd, Ned, Katharyn E. K. Nottis, and Patricia Udomprasert. “A Hybrid Hands-On And Computer Simulation Laboratory Activity For The Teaching Of Astronomical Parallax”. Journal of Astronomy & Earth Sciences Education 6, no. 2 (December 1, 2019). Accessed October 16, 2024. https://journals.modernsciences.org/index.php/JAESE/article/view/57.