Viera Ribot, Orlando Manuel, and Sergio Morales Fernández. 2020. “EXTRACTION METHODS FOR POLYCYCLIC AROMATIC HYDROCARBONS IN MARINE SEDIMENTS COMPARISON USING SOXHLET AND ULTRASONIC BATH”. Centro Azúcar Journal 47 (3):14-23. http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/586.