Al-Usstaa, Zainab Ibrahim, and Amina Abdulsalam Baiou. 2023. “Spectrophotometric Determination of Caffeine in Soft Drinks Available in Libyan Local Markets”. Scientific Journal of Faculty of Education, Misurata University 10 (02):107-21. https://journals.misuratau.edu.ly/edu/ojs/index.php/eduction/article/view/121.