Chiehwen Ed Hsu, Oscar Lopez, Yeshwant Raj. S. Considering parental perceptions on mobile learning systems with in-app advertising-Taiwan case study. IJAST [Internet]. 2020Jul.1 [cited 2024May7];29(7):13547 -1359. Available from: http://sersc.org/journals/index.php/IJAST/article/view/29462