SMITH, Terry K.; HALL, Kaitlyn. Collaborators in Elementary STEM: Engineering and Teacher Education. Educational Practice and Reform, [S.l.], v. 3, n. 1, p. 24-33, sep. 2017. Available at: <http://journals.radford.edu/index.php/EPR/article/view/96>. Date accessed: 23 apr. 2019.