Karimova S. A, Mavlanov B. A, Fozilov S. F, and Khayrullayev Ch. K. “Increasing the Effectiveness of Detergent-Dispersant Additives in Motor Oils”. Excellencia: International Multi-disciplinary Journal of Education (2994-9521) 2, no. 5 (May 16, 2024): 372–379. Accessed November 10, 2025. https://multijournals.org/index.php/excellencia-imje/article/view/928.