Čepič, M.
(2010).
 Liquid Crystals In Education – The Basics.
<em>European Journal Of Physics Education, 3</em>(4), 27-33.
Retrieved from <a href="https://eu-journal.org/index.php/EJPE/article/view/120" target="_new">https://eu-journal.org/index.php/EJPE/article/view/120</a>