OKTAVIA, Fiska Nurrahma.
 Motivating EFL Students by Using Tangible Reinforcers.
<strong>FKIP e-PROCEEDING</strong>, [S.l.], jan. 2017.
ISSN 2527-5917. Available at: &lt;<a href="https://jurnal.unej.ac.id/index.php/fkip-epro/article/view/4273" target="_new">https://jurnal.unej.ac.id/index.php/fkip-epro/article/view/4273</a>&gt;. Date accessed: 28 july 2024.