Marthese Azzopardi and Liberato Camilleri, Study Habits and Level of Difficulty Encountered by Maltese Students Studying Biology Advanced Level Topics. journal = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology. May 2018, vol. 138(6). 723 - 728 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/10009098.