Siti Arpah Noordin, Mad Khir Johari Abdullah Sani, Noor Zaidi Sahid, Jamiah Baba, Tamara Adriani Salim. Usability Evaluation of a Ubiquitous Library Portal in Malaysia. IJAST [Internet]. 2020Mar.30 [cited 2024May7];29(3):13764 -13778. Available from: http://sersc.org/journals/index.php/IJAST/article/view/31719