MASU, Smaranda, and Eugenia GRECU. “SOLUTIONS IN THE COAGULATION OF OIL WASTEWATER”. Studia Universitatis Babeș-Bolyai Chemia, vol. 61, no. 4, Dec. 2016, pp. 189-02, https://studia.reviste.ubbcluj.ro/index.php/chemia/article/view/8389.