Nguema, Antoine Francis Obame, Akihiro Tokai, Ibnu Susanto Joyosemito, and Naoya Kojima. “Occupational Exposure Estimate of Benzene and the Effectiveness of Control Measure in Gabon’s Gasoline Storage and Distribution Facility”. Asian Journal of Applied Sciences 6, no. 6 (December 27, 2018). Accessed June 22, 2021. https://ajouronline.com/index.php/AJAS/article/view/5642.