BALUKOVIC, Jasmina; 						SLISKO, Josip.
 Teaching and Learning the Concept of Weightlessness: An Additional Look at Physics Textbooks.
<strong>European Journal of Physics Education</strong>, [S.l.], v. 9, n. 1, p. 1-14, july 2018.
ISSN 1309-7202.
Available at: &lt;<a href="http://eu-journal.org/index.php/EJPE/article/view/168" target="_new">http://eu-journal.org/index.php/EJPE/article/view/168</a>&gt;. Date accessed: 22 sep. 2023.
doi: <a href="https://doi.org/10.20308/ejpe.v9i1.168">https://doi.org/10.20308/ejpe.v9i1.168</a>.