OKAFOR, Theresa Ugonwa.
 Effect of Polya’s Problem Solving Technique on the Academic Achievement of Senior Secondary School Student in Physics.
<strong>European Journal of Physics Education</strong>, [S.l.], v. 10, n. 1, p. 38-48, apr. 2019.
ISSN 1309-7202.
Available at: &lt;<a href="https://eu-journal.org/index.php/EJPE/article/view/233" target="_new">https://eu-journal.org/index.php/EJPE/article/view/233</a>&gt;. Date accessed: 26 apr. 2024.
doi: <a href="https://doi.org/10.20308/ejpe.v10i1.233">https://doi.org/10.20308/ejpe.v10i1.233</a>.